CN101648407B - Concrete mixing drum - Google Patents
Concrete mixing drum Download PDFInfo
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- CN101648407B CN101648407B CN2009103055607A CN200910305560A CN101648407B CN 101648407 B CN101648407 B CN 101648407B CN 2009103055607 A CN2009103055607 A CN 2009103055607A CN 200910305560 A CN200910305560 A CN 200910305560A CN 101648407 B CN101648407 B CN 101648407B
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- stirring piece
- cylindrical shell
- concrete
- mixing
- inwall
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Abstract
The invention relates to a concrete mixing apparatus, in particular to a concrete mixing drum comprising a drum body and material guide plates, wherein the material guide plates are fixed on the inner wall of the drum body, and the opening of the drum body is provided with a material inlet and a material outlet. The concrete mixing drum is characterized in that a plurality of mixing blades are arranged in the axial direction of the drum body in the drum body; the mixing blades are fixed on the inner wall of the drum body by a bracket and, each mixing blade is arranged between every two adjacent material guide plates; and gaps are respectively formed between the mixing blade and the inner wall of the drum body, and between the mixing blade and the material guide plate adjacent to the mixing blade. The arrangement of the bracket not only strengthens the fixation of the mixing blades to the interior of the mixing drum, but also achieves the goal that a gap is formed between the mixing blade and the inner wall of the drum body. The concrete mixing drum enhances the overall performance of the mixing devices, takes account of mixing and discharging the material, increases the material inlet and outlet speed, improves the mixing quality of the concrete and enhances the strength of the concrete.
Description
Technical field
The present invention relates to a kind of concrete batch plant, especially relate to a kind of concrete agitating drum.
Background technology
As everyone knows, the mixing drum of concrete mixer truck is the critical component of concrete mixing and transporting car, and whether operate as normal is the key factor that influences the concrete product quality to mixing drum.At trucd mixer still is the new car stage, and the concrete that it loaded and transported can't with the naked eye be told the quality of quality.Moving 2 years ubiquitous problems of later trucd mixer is: concrete gravel is on the high side during the beginning discharging, mortar content is less, stone is on the low side, mortar is on the high side and exist after trucd mixer unloads next cube concrete, is dumped into the situation that stone is on the high side, mortar content is less can occur again when last.Particularly when above, this phenomenon is more obvious greater than 160mm for the coagulation slump.This concrete pumpability is relatively poor; difficulty comparatively when it need be pumped into flooring more than 20 layers; in order to overcome the general way of this difficulty is to reduce stone amount, increase sand amount, just can guarantee concrete pumpability, but concrete sand grains decreases its intensity after increasing.On the other hand, the stock guide in the mixing drum mainly plays water conservancy diversion to concrete material, simultaneously concrete material is carried out suitable stirring, but this kind stirs and be insufficient.Concrete delivery truck car body in the process of moving has vibration, because concrete itself is better mobile, when particularly slump is greater than 160 millimeters, easy layering of concrete and precipitation, so concrete delivery truck must make the non-stop rotation of mixing drum in the concrete process of transportation, guaranteeing flowing of tube inner concrete material, and transport vehicle can not stop working under the state that unloads waiting.
The patent No. is that 00218761.2 Chinese utility model patent discloses a kind of concrete central mix plant, the agitator drum blade helical design becomes lift angle log spirals such as curved surface bucket, replace existing equidistant spiral of Archimedes, and set up Feng Yiguan mixing a central authorities, mix and be provided with stirring vane in the tube, curved surface bucket is provided with a plurality of holes.It is extremely limited that the stirring action that plays in the hole is set on described curved surface bucket, and the stirring vane of setting up is owing to be to be fixed on the curved surface bucket, structure is very unstable, when mixing drum rotates, the effect that stirring vane is subjected to shearing force is very easily dropped and is sneaked into the concrete that is stirring from curved surface bucket, thereby influence quality of concrete, therefore need improve this structure.
Summary of the invention
The present invention mainly is the technical problem that stirs inhomogeneous, easy layering and precipitation, pumpability difference at the mixing drum inner concrete of existing in prior technology concrete mixer truck, and a kind of concrete agitating drum is provided.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
A kind of concrete agitating drum, comprise cylindrical shell and stock guide, described stock guide is fixed on the inwall of cylindrical shell, the opening part of cylindrical shell is provided with charging aperture and discharging opening, it is characterized in that: be provided with several stirring pieces along the cylindrical shell axial direction in the cylindrical shell, stirring piece is fixed on the inwall of cylindrical shell and is arranged between the adjacent stock guide by support, stirring piece leaves the gap respectively and between cylinder inboard wall and the stock guide adjacent with stirring piece.Gap between stirring piece and cylinder inboard wall and the stock guide adjacent with stirring piece is to impel the backflow of concrete when stirring, thereby reaches the uniformity of stirring.If the gap is not set, will produce the dead angle of stirring, cause the dead angle to locate concrete accumulation caking.The setting of support not only makes stirring piece more firm fixing of mixing drum inside, also reaches to make stirring piece and cylinder inboard wall produce the purpose in gap.
As preferably, described support is 3, and one of them is located at the middle part of stirring piece one side, in addition two two ends, the left and right sides of being located at the stirring piece opposite side respectively; Support is fixed by the welding and the inwall of cylindrical shell.This of support kind of method to set up had both guaranteed integrally-built steadiness, relative again saving material.More preferred scheme is, the side approximate right angle of support is trapezoidal, this trapezoidal right angle end is connected with cylindrical shell, trapezoidal hypotenuse and the angle between the stirring piece are less than 30 degree, this angle is low more good more, because the reduction at this angle helps concrete material flowing in cylindrical shell, make and be not easy ramming material on the support.
As preferably, be provided with reinforcement between described stirring piece both sides and the stock guide.Reinforcement is fixed on stirring piece on the adjacent stock guide, has guaranteed the active strength of stirring piece in whipping process, plays the effect that increases support force.
As preferably, described stirring piece in a side of cylindrical shell along being provided with 2-5 on the cylindrical shell axial direction.Suitable stirring piece number has guaranteed that concrete can both effectively stir when any material level, thereby improves stirring efficiency, makes the more even of concrete stirring.
As preferably, described stirring piece on the cylinder inboard wall circumferencial direction evenly distribution 2-3 adds up to 4-15.The distribution of stirring piece circumferencial direction is determined according to the size of actual cylindrical shell, when barrel diameter is big, on the cylinder inboard wall circumferencial direction, can be provided with 3, play and stir sufficient purpose, too much can cause the result that mixing effect is not obvious and cost raises as the number that is provided with.When barrel diameter hour, on the cylinder inboard wall circumferencial direction, be provided with 2 and can reach mixing effect preferably.
As preferably, described each stirring piece base becomes skewed with cylinder inboard wall; Described skewed be stirring piece near the distance of tube port position to cylinder inboard wall, form near tube bottom to the distance of cylinder inboard wall less than stirring piece.Because concrete needs enough spaces to flow when discharging, this skewed setting is in order to guarantee the useful space between stirring piece base and the cylinder inboard wall, thereby reaches discharging speed faster.More preferred scheme is, when the base of stirring piece was in minimum point in cylindrical shell, the base of stirring piece and the angle of horizontal direction were smaller or equal to 5 degree, and this structure makes discharging speed reach maximum and is difficult for putty.
As preferably, described stirring piece is provided with 4-12 hole of double distribution, and the diameter in hole is 6-8cm, and the spacing in adjacent hole is not less than 15cm.The mobile relatively of tube inner concrete accelerated in the setting in hole, reduced the dead angle, makes on stock guide and the stirring piece to be difficult for ramming material, plays the moment of torsion when reducing the concrete motion, the effect that reduces the stirring resistance, cuts down the consumption of energy simultaneously.
As preferably, stirring piece is a rectangle, adopts 6 millimeters manganese steel plate to make.The stirring piece of this structure had both been saved material, had and had enough intensity.
Therefore, the present invention compared with prior art has the following advantages:
1, stirring piece of the present invention is difficult for adhering to concrete, and cleaning easily, can prolong the service life of agitator, and its simple in structure, low cost of manufacture.
2, the present invention improves the agitating device overall performance, can take into account and stir and discharging, has improved charging and discharging speed, has improved the concrete mixing quality, has improved concrete intensity.
3, the present invention makes stone and the whole homogeneous of mortar content in the concrete that is stirred, and has guaranteed concrete pumpability.
4, mixing drum of the present invention is owing to installed stirring piece, and concrete stirring is more even, make it be difficult for layering and precipitation, thereby transport vehicle can stop working when to be unloaded.Concrete delivery truck generally all can be waited to unload 10-20 minute after arriving the building site, as the flame-out oily expense that then can save writing of transport vehicle when waiting to unload, and therefore economic benefit of the present invention is considerable.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present invention.
Accompanying drawing 3 is the local enlarged diagrams at A place in the accompanying drawing 2.
Accompanying drawing 4 is distribution schematic diagrams of embodiment 1 stock guide.
Label declaration: 1 cylindrical shell, 2 charging apertures, 3 discharging openings, 4 stock guides, 5 stirring pieces, 6 supports, 7 reinforcements, at the bottom of 8,9 holes.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1:
Shown in Figure of description 1-4, a kind of concrete agitating drum comprises the stock guide 4 that cylindrical shell 1 and double helix distribute, and stock guide 4 is fixed on the inwall of cylindrical shell 1, and the height of stock guide 4 is between 400～500mm.Article two, stock guide 4 is a curved surface, and its root welds mutually with cylindrical shell 1 inwall, and log spiral distributes in cylindrical shell 1, and its number is decided according to mixing drum cylindrical shell size.At the nozzle position of cylindrical shell 1, welding a section feeding guide along the inward flange of two helical blades, guide is provided with charging aperture 2.The opening part of cylindrical shell 1 also is provided with discharging opening 3.Inside at cylindrical shell 1 is provided with several stirring pieces 5 along cylindrical shell 1 axial direction, stirring piece 5 is fixed on the inwall of cylindrical shell 1 and is arranged between the adjacent stock guide 4 by support 6, stirring piece 5 leaves the gap respectively and between cylindrical shell 1 inwall and the stock guide 4 adjacent with stirring piece 5.All be welded with reinforcement 7 between the both sides of each stirring piece 5 and the stock guide 4.Each stirring piece 5 base becomes skewed with cylindrical shell 1 inwall, this is skewed be stirring piece 5 near tube port positions distance to cylindrical shell 1 inwall, less than stirring piece 5 near tin at the bottom of 8 places to the distance of cylindrical shell 1 inwall form.
In the present embodiment, cylindrical shell 1 volume is 10 cubic metres, and two stock guides 4 are log spiral and distribute for inner interlaced 180 ° at cylindrical shell 1.The stirring piece 5 of sheet is provided with 5 along cylindrical shell 1 axial direction one side, evenly distributes 2 (as shown in Figure 2) on the circumferencial direction of cylindrical shell 1 inwall, has 10 stirring pieces 5 in the cylindrical shell 1.Each stirring piece 5 bottom is followed successively by 10cm, 15cm, 15cm, 20cm, 20cm from the tube end 8 to discharging opening 3 ends to the ultimate range of cylindrical shell 1 inwall, and stirring piece 5 is 3cm with the spacing of the stock guide 4 that is adjacent.Stirring piece 5 is provided with 3 supports 6, and one of them is located at the middle part of stirring piece 5 one sides, is located at respectively apart from two ends, stirring piece 5 left and right sides 3-5 centimeters for 2 in addition.As shown in Figure 4, the side approximate right angle of support 6 is trapezoidal, right angle end that this is trapezoidal and cylindrical shell 1 welding, angle between trapezoidal hypotenuse and the stirring piece 5 is less than 30 degree, this angle is low more good more, because the reduction at this angle helps concrete material flowing in cylindrical shell 1, makes and is not easy ramming material on the support.Stirring piece is a rectangle, adopts 6 millimeters manganese steel plate to make.Stirring piece 5 is provided with double equally distributed hole 9, and the diameter in hole is 6-8cm, and the spacing in adjacent hole is not less than 15cm.The number in hole 9 is followed successively by 10,8,6,6,4 from the tube end 8 to discharging opening 3 directions on the stirring piece 5.
When the present invention works, the cylindrical shell 1 of concrete agitating drum in axial direction rotates, the concrete material that proportioning is good imports in the cylindrical shell 1 by charging aperture 2, various concrete materials are along with thereby the high speed rotation of mixing drum produces radial centrifugal force rotation at a high speed, in the process of its rotation under the effect of stirring piece 5, part concrete concrete self from the hole 9 of stirring piece 5 produces relative motion, thereby reaches the purpose that stirs.
Embodiment 2:
Present embodiment is on the basis of embodiment 1, and when the base of stirring piece 5 was in minimum point in cylindrical shell 1, the base of stirring piece 5 and the angle of horizontal direction were elected as smaller or equal to 5 degree; 8 two nearest stirring pieces 5 evenly distribute 3 (as shown in Figure 5) on cylindrical shell 1 inwall circumferencial direction apart from the tube end, make the sum of cylindrical shell 1 inner stirring piece 5 reach 12, thereby reach mixing effect preferably.
On cylindrical shell 1 inwall circumferencial direction, also can evenly distribute 2-3 of stirring piece 5, the sum that makes cylindrical shell 1 inner stirring piece 5 according to the diameter of cylindrical shell 1 between 4-15, thereby constitute new embodiment.
Embodiment 3:
Present embodiment is with embodiment 1, and difference is: stock guide 4 is spiral of Archimedes and distributes in cylindrical shell 1.Stock guide 4 also can only be established a slice, thereby constitutes new embodiment.
Should be understood that this embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (9)
1. concrete agitating drum, comprise cylindrical shell (1) and stock guide (4), described stock guide (4) is fixed on the inwall of cylindrical shell (1), the opening part of cylindrical shell (1) is provided with charging aperture (2) and discharging opening (3), be provided with stirring piece (5) between the interior adjacent stock guide (4) of cylindrical shell (1), it is characterized in that: described stirring piece (5) is provided with several along cylindrical shell (1) axial direction, stirring piece (5) is fixed on the inwall of cylindrical shell (1) by support (6), and stirring piece (5) leaves the gap respectively and between cylindrical shell (1) inwall and the stock guide (4) adjacent with stirring piece (5); Described support (6) is 3, and one of them is located at the middle part of stirring piece (5) one sides, in addition two two ends, the left and right sides of being located at stirring piece (5) opposite side respectively; Support (6) is fixed by the welding and the inwall of cylindrical shell (1); Described each stirring piece (5) base becomes skewed with cylindrical shell (1) inwall; Described skewed be stirring piece (5) near the distance of tube port position to cylindrical shell (1) inwall, locate to form near the tube end (1) less than stirring piece (5) to the distance of cylinder inboard wall.
2. concrete agitating drum according to claim 1 is characterized in that: be provided with reinforcement (7) between described stirring piece (5) both sides and the stock guide (4).
3. concrete agitating drum according to claim 1 and 2 is characterized in that: described stirring piece (5) is individual along being provided with 2-5 on the cylindrical shell axial direction in a side of cylindrical shell (1).
4. concrete agitating drum according to claim 1 and 2 is characterized in that: evenly distribution 2-3 is individual on cylindrical shell (1) inwall circumferencial direction for described stirring piece (5), adds up to 4-15.
5. concrete agitating drum according to claim 3 is characterized in that: evenly distribution 2-3 is individual on cylindrical shell (1) inwall circumferencial direction for described stirring piece (5), adds up to 4-15.
6. concrete agitating drum according to claim 1 and 2 is characterized in that: described stirring piece (5) is provided with 4-12 the hole (9) of double distribution, and the diameter of hole (9) is 6-8cm, and the spacing of adjacent hole (9) is not less than 15cm.
7. concrete agitating drum according to claim 1 and 2 is characterized in that: the side approximate right angle of described support is trapezoidal, and this trapezoidal right angle end is connected with cylindrical shell, and trapezoidal hypotenuse and the angle between the stirring piece are less than 30 degree.
8. concrete agitating drum according to claim 1 and 2 is characterized in that: when the base of described stirring piece was in minimum point in cylindrical shell, the base of stirring piece and the angle of horizontal direction were smaller or equal to 5 degree.
9. concrete agitating drum according to claim 6 is characterized in that: when the base of described stirring piece was in minimum point in cylindrical shell, the base of stirring piece and the angle of horizontal direction were smaller or equal to 5 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103055607A CN101648407B (en) | 2009-08-13 | 2009-08-13 | Concrete mixing drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103055607A CN101648407B (en) | 2009-08-13 | 2009-08-13 | Concrete mixing drum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101648407A CN101648407A (en) | 2010-02-17 |
| CN101648407B true CN101648407B (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103055607A Expired - Fee Related CN101648407B (en) | 2009-08-13 | 2009-08-13 | Concrete mixing drum |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014134737A1 (en) * | 2013-03-07 | 2014-09-12 | Wallgren Mark E | Shearing paddles in a drum mixer for low slump concrete |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9233482B2 (en) | 2013-03-07 | 2016-01-12 | Mark E. Wallgren | Shearing paddles in a drum mixer for high slump concrete |
| CN107053475B (en) * | 2017-05-05 | 2019-05-14 | 阜阳市华顺水泥制品有限公司 | A kind of highly effective coagulation soil stirring equipment |
| CN108394025B (en) * | 2018-02-02 | 2020-01-14 | 南京天鼎混凝土工程有限公司 | High-uniformity coagulation stirring equipment |
| CN116087478A (en) * | 2023-04-07 | 2023-05-09 | 四川蜀道建筑科技有限公司 | Visual concrete slump detection equipment and method |
-
2009
- 2009-08-13 CN CN2009103055607A patent/CN101648407B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014134737A1 (en) * | 2013-03-07 | 2014-09-12 | Wallgren Mark E | Shearing paddles in a drum mixer for low slump concrete |
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| Publication number | Publication date |
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| CN101648407A (en) | 2010-02-17 |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WANG YIJUN |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Jinlong Inventor after: Wang Yijun Inventor before: Wang Jinlong |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: WANG JINLONG TO: WANG JINLONG WANG YIJUN |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20110526 Address after: 1-1501 room 49, Zhongxing garden, Zhongxing garden, Hangzhou, Zhejiang, Binjiang District 310000, China Applicant after: Wang Jinlong Co-applicant after: Wang Yijun Address before: 1-1501 room 49, Zhongxing garden, Zhongxing garden, Hangzhou, Zhejiang, Binjiang District 310000, China Applicant before: Wang Jinlong |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20140813 |
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| EXPY | Termination of patent right or utility model |