CN103448144A - Stirring arm, stirring device and concrete stirring equipment - Google Patents
Stirring arm, stirring device and concrete stirring equipment Download PDFInfo
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- CN103448144A CN103448144A CN2013103954106A CN201310395410A CN103448144A CN 103448144 A CN103448144 A CN 103448144A CN 2013103954106 A CN2013103954106 A CN 2013103954106A CN 201310395410 A CN201310395410 A CN 201310395410A CN 103448144 A CN103448144 A CN 103448144A
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Abstract
The invention provides a stirring arm. The stirring arm comprises a first straight line shaft (1) and a second straight line shaft (10) as well as a screw shaft connected between the first straight line shaft (1) and the second straight line shaft (10), wherein the first straight line shaft (1) and the second straight line shaft (10) are coaxially arranged, the screw shaft is provided with a first screw blade, and the first straight line shaft (1) and/or the second straight line shaft (10) is provided with a second screw blade. According to the technical scheme, the stirring arm provided by the invention is capable of fully uniformly stirring a material, a blanking region of the material is increased, a journal sticking caking phenomenon generated in a material stirring process is effectively prevented, and the production efficiency is improved. The invention also provides a stirring device of the stirring arm and concrete stirring equipment containing the stirring device based on the foundation of the technical scheme.
Description
Technical field
The present invention relates to engineering machinery field, particularly, relate to a kind of mixing arm, comprise the agitating device of this mixing arm and comprise the concrete batch plant of this agitating device.
Background technology
Concrete mixer (abbreviation mixer) is a kind of engineering machinery that cement, sandstone aggregate and water mixing mixing is become to concrete mixture, mixer comprises a mixing bowl (or mixing drum) and is arranged in a mixing bowl the blade-carrying mixing arm that can be rotated, with the rotation by mixing arm, material is uniformly mixed.Existing mixer is generally used the blade type mixing arm, this mixing arm comprises shaft, be provided with a plurality of discontinuous blades on shaft, by shaft, around the rotation of its axis, make a plurality of blades shovel separately, thereby realize the interior stirring to material of mixer.Yet the problem that above-mentioned mixer exists is can not realize that by the shovel separately of a plurality of blades is moving the whole continuous circulation of material flows, thereby easily make material stirring inhomogeneous, insufficient; In addition, in the whipping process of material, the existence of shaft affects material mobile smoothness in mixer, and, because the linear velocity on shaft surface is less, so concrete seize caking very easily, can increase the mixer operation energy consumption after solidifying, affect the mixed capacity of mixer, and it is time-consuming to require great effort very much, causes production efficiency very low when cleaning.
Therefore, need a kind of mixing arm that can address the above problem to the full extent.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of mixing arm, comprise the agitating device of this mixing arm and comprise the concrete batch plant of this agitating device.Described mixing arm can make material stirring more all even abundant, and can effectively prevent the generation of seize caking phenomenon, and in addition, described mixing arm can also increase the blanking zone of material.
In order to solve the problems of the technologies described above, the invention provides a kind of mixing arm, wherein, this mixing arm comprises the first coaxially arranged linear axis and the second linear axis and is connected to the helical axis between described the first linear axis and the second linear axis, the first helical blade is installed on described helical axis, on described the first linear axis and/or described the second linear axis, the second helical blade is installed.
Preferably, the lead angle of described the second helical blade is the 30-37 degree, and the lead angle of described the first helical blade is the 17-21 degree, and the lead angle of described the second helical blade is than the little 9-20 degree of the lead angle of described the first helical blade.
Described helical axis comprises external spiral axle and inside spin axle, and described the first helical blade comprises external spiral blade and the internal helical blades be arranged on respectively on described external spiral axle and inside spin axle.
Further, be connected with respectively external spiral linking arm and inside spin linking arm on the outer peripheral face of the end that described the first linear axis is relative with the second linear axis, one side of described external spiral axle is connected in the external spiral linking arm on described the first linear axis and the second linear axis, one side of described inside spin axle is connected in the inside spin linking arm on described the first linear axis and the second linear axis, and described external spiral blade and internal helical blades are arranged on respectively the opposite side of described external spiral axle and the opposite side of inside spin axle.
Preferably, on described the first linear axis and described the second linear axis, described the second helical blade all is installed, the second helical blade on described the first linear axis comprises feeding external spiral blade and feeding internal helical blades, and the second helical blade on described the second linear axis comprises and returns to the external spiral blade and return to internal helical blades.
Preferably, be connected with linking arm and the outer linking arm of feeding in feeding on the outer peripheral face of described the first linear axis, a side of described feeding external spiral blade is connected in the outer linking arm of described feeding, and a side of described feeding internal helical blades is connected in linking arm in described feeding.
Preferably, be connected with on the outer peripheral face of described the second linear axis and return to interior linking arm and return to outer linking arm, a described side of returning to the external spiral blade is connected in the described outer linking arm that returns, and a described side of returning to internal helical blades is connected in the described interior linking arm that returns.
On the basis of technique scheme, the present invention also provides a kind of agitating device, and this agitating device comprises mixing arm, and wherein, described mixing arm is mixing arm provided by the invention.
Preferably, described mixing arm is two, and these two mixing arms are arranged side by side, and in these two mixing arms mixing arm and the another one mixing arm tailfirst.
In addition, the present invention also provides a kind of concrete batch plant, and wherein, this mixing plant comprises agitating device provided by the invention.
Pass through technique scheme, mixing arm according to the present invention partly is connected to form by the first linear axis, the second linear axis and helical axis, this kind of structure increased the blanking zone of material, and effectively prevent from producing the phenomenon of seize caking in the process of material stirring, the setting of helical axis can be stirred material more equably.In addition, be less than the lead angle of the first helical blade on helical axis according to the lead angle of the first linear axis of mixing arm of the present invention and/or the second helical blade on the second linear axis, this structure makes in the process of material stirring the axial feed of the first linear axis and the second linear axis position slower, the axial feed of helical axis position is very fast, makes stirring more abundant.Therefore, comprise the agitating device of above-mentioned mixing arm and comprise that the concrete batch plant of above-mentioned mixing arm has higher stirring efficiency and better mixing effect according to of the present invention.
Other features and advantages of the present invention will partly be described in detail in the specific embodiment subsequently.
The accompanying drawing explanation
Following accompanying drawing is used to provide a further understanding of the present invention, and forms the part of specification, and itself and the following specific embodiment one are used from explanation the present invention, but protection scope of the present invention is not limited to following the drawings and the specific embodiments.In the accompanying drawings:
Fig. 1 is the structural representation of the mixing arm of the specific embodiment of the invention;
Fig. 2 is the structural representation of the agitating device of the specific embodiment of the invention.
Description of reference numerals:
A the first mixing arm; B the second mixing arm;
A the first motor; B the second motor;
1 first linear axis; 2 feeding external spiral blades;
3 feeding internal helical blades; 4 external spiral axles;
5 inside spin axles; 6 external spiral blades;
7 internal helical blades; 8 return to the external spiral blade;
9 return to internal helical blades; 10 second linear axis;
Linking arm in 11 feedings; The outer linking arm of 12 feedings;
13 inside spin linking arms; 14 external spiral linking arms;
15 return to interior linking arm; 16 return to outer linking arm;
17 mixing drums.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated, should be understood that, the specific embodiment described herein is only for description and interpretation the present invention, and protection scope of the present invention is not limited to the following specific embodiment.
At this, it should be noted that, the term that used in the present invention " external spiral axle ", " inside spin axle " " external spiral blade ", " internal helical blades ", " feeding external spiral blade ", " feeding internal helical blades ", " returning to the external spiral blade ", " returning to internal helical blades " are with respect to the definition of the axis of the first linear axis 1 and the second linear axis 10, the axis helical axis far away of distance the first linear axis 1 and the second linear axis 10 is the external spiral axle, and the nearer helical axis of axis of distance the first linear axis 1 and the second linear axis 10 is the inside spin axle; The axis helical blade far away of distance the first linear axis 1 and the second linear axis 10 is the external spiral blade, and the nearer helical blade of axis of distance the first linear axis 1 and the second linear axis 10 is internal helical blades; The axis feed screw blade far away of distance the first linear axis 1 and the second linear axis 10 is feeding external spiral blade, and the nearer feed screw blade of axis of distance the first linear axis 1 and the second linear axis 10 is the feeding internal helical blades; What the axis of distance the first linear axis 1 and the second linear axis 10 was far away returns to helical blade for returning to the external spiral blade, and what the axis of distance the first linear axis 1 and the second linear axis 10 was nearer returns to helical blade for returning to internal helical blades.
The invention provides a kind of mixing arm, wherein, this mixing arm comprise the first coaxially arranged linear axis 1 and the second linear axis 10 and be connected to the first linear axis 1 and the second linear axis 10 between helical axis, the first helical blade is installed on described helical axis, on the first linear axis 1 and/or the second linear axis 10, the second helical blade is installed.
According to technique scheme, mixing arm provided by the invention increases the blanking zone of material by the form that helical axis is set between the first linear axis 1 and the second linear axis 10, can effectively avoid the generation of seize caking phenomenon in the whipping process of material simultaneously.
Referring to Fig. 1 and Fig. 2, the concrete structure of the mixing arm according to the preferred embodiment of the present invention is elaborated.
In order to make material more even in whipping process, the lead angle of the second helical blade on mixing arm provided by the invention is less than the lead angle of the first helical blade, and the lead angle of the lead angle of the second helical blade and the first helical blade can suitably be selected.In the mixing arm according to the preferred embodiment of the present invention, the lead angle of described the second helical blade is the 30-37 degree, the lead angle of described the first helical blade is the 17-21 degree, and the lead angle of described the second helical blade is than the little 9-20 degree of the lead angle of described the first helical blade.For example, the lead angle of described the second helical blade is 33.5 degree, the lead angle of described the first helical blade is 19 degree, the lead angle of described the second helical blade is than little 14.5 degree of the lead angle of described the first helical blade, in this case, feed speed at the material of the second helical blade position is little, more is conducive to stir; Feed speed at the material of the first helical blade position is large, to stir more fully material.Yet the present invention is not limited thereto.
In the mixing arm according to the preferred embodiment of the present invention, more full and uniform in order to make material stirring obtain, described helical axis comprises external spiral axle 4 and inside spin axle 5, and described the first helical blade comprises external spiral blade 6 and the internal helical blades 7 be arranged on respectively on described external spiral axle 4 and inside spin axle 5.
In order to facilitate the installation of external spiral axle 4 and inside spin axle 5, preferably, be connected with respectively external spiral linking arm 14 and inside spin linking arm 13 on the outer peripheral face of the end that described the first linear axis 1 is relative with the second linear axis 10, one side of external spiral axle 4 is connected in the external spiral linking arm 14 on described the first linear axis 1 and the second linear axis 10, one side of described inside spin axle 5 is connected in the inside spin linking arm 13 on described the first linear axis 1 and the second linear axis 10, wherein, external spiral linking arm 14 is longer than inside spin linking arm 13, so that in the whipping process of material, be connected to the external spiral axle 4 of external spiral linking arm 14 and inside spin linking arm 13 and external spiral blade 6 and internal helical blades 7 that inside spin axle 5 can drive separately and stir more sufficiently uniformly material.External spiral linking arm 14 for example can be connected on the outer peripheral face of the end that the first linear axis 1 is relative with the second linear axis 10 by the mode of welding respectively with inside spin linking arm 13.Usually, a side of external spiral axle 4 removably is connected in external spiral linking arm 14(and connects as bolt), a side of inside spin axle 5 removably is connected in inside spin linking arm 13(and connects as bolt) so that the replacing of external spiral axle 4 and inside spin axle 5.The number of inside spin linking arm 13 and external spiral linking arm 14 can arrange according to demand, as is two or more.External spiral blade 6 and internal helical blades 7 are arranged on respectively the opposite side of external spiral axle 4 and the opposite side of inside spin axle 5; thereby work as helical axis when rotated; external spiral blade 6 not only can contact to stir with material material with internal helical blades 7, and can protect helical axis not to be worn.Usually, external spiral blade 6 and internal helical blades 7 removably install respectively (as be bolted) as described in the opposite side of external spiral axle 4 and the opposite side of inside spin axle 5, during with convenient external spiral blade 6 and internal helical blades 7 wearing and tearing, changed.
In the mixing arm according to the preferred embodiment of the present invention, on the first linear axis 1 and the second linear axis 10, described the second helical blade all is installed, the second helical blade on the first linear axis 1 comprises feeding external spiral blade 2 and feeding internal helical blades 3, and the second helical blade on described the second linear axis 10 comprises and returns to external spiral blade 8 and return to internal helical blades 9.In the whipping process of material, material flows to and returns to external spiral blade 8 and return to internal helical blades 9 through helical axis from feeding external spiral blade 2 and feeding internal helical blades 3, thereby can increase the mixing time of material, makes material stirring more even.
Feeding external spiral blade 2 and feeding internal helical blades 3 can take various suitable modes to be arranged on the first linear axis 1, in order to facilitate the installation of feeding external spiral blade 2 and feeding internal helical blades 3, preferably, be connected with linking arm 11 and the outer linking arm 12 of feeding in feeding on the outer peripheral face of the first linear axis 1, one side of feeding external spiral blade 2 is connected in the outer linking arm 12 of feeding, and a side of feeding internal helical blades 3 is connected in linking arm 11 in feeding.In feeding, the outer linking arm 12 of linking arm 11 and feeding for example can be welded on the outer peripheral face of the first linear axis 1.For the ease of changing, preferably, a side bolt of feeding external spiral blade 2 is connected in the outer linking arm 12 of feeding, and a side bolt of feeding internal helical blades 3 is connected in linking arm 11 in feeding.Return to external spiral blade 8 and return to internal helical blades 9 and can take various suitable modes to be arranged on the second linear axis 10, in order conveniently to return to external spiral blade 8 and the installation of returning to internal helical blades 9, preferably, be connected with on the outer peripheral face of the second linear axis 10 and return to interior linking arm 15 and return to outer linking arm 16, a side of returning to external spiral blade 8 is connected in returns to outer linking arm 16, and a side of returning to internal helical blades 9 is connected in returns to interior linking arm 15.Return to interior linking arm 15 and return to outer linking arm 16 and for example can be welded on the outer peripheral face of the second linear axis 10.For the ease of changing, preferably, a side bolt that returns to external spiral blade 8 is connected in and returns to outer linking arm 16, and a side bolt that returns to internal helical blades 9 is connected in and returns to interior linking arm 15.Wherein, the length of the outer linking arm 12 of feeding is greater than the length of linking arm 11 in feeding, similarly, the length of returning to outer linking arm 16 is greater than the length of returning to interior linking arm 15, thereby in the whipping process of material, when material during through the position of the first linear axis 1 and the second linear axis 2, by returning to internal helical blades 9 and returning to external spiral blade 8 and can stir more sufficiently uniformly material on the feeding internal helical blades 3 on the first linear axis 1 and feeding external spiral blade 2 and the second linear axis 10.
In the mixing arm according to the preferred embodiment of the present invention, described the first helical blade and the second helical blade are continous way, thereby can make material produce whole continuous-flow.
At this, it should be noted that, feeding external spiral blade 2 is identical with the hand of spiral of feeding internal helical blades 3, identical with the hand of spiral of inside spin axle 5 and external spiral axle 4, and with return to internal helical blades 9 and return to the hand of spiral of external spiral blade 8 contrary.
On the basis of technique scheme, the present invention also provides a kind of agitating device, and this agitating device comprises mixing arm, and wherein, described mixing arm is mixing arm provided by the present invention.
Particularly, described mixing arm is two, and these two mixing arms are arranged side by side, and in these two mixing arms mixing arm and the another one mixing arm tailfirst.
More specifically, as shown in Figure 2, the first mixing arm A and the second mixing arm B are installed in parallel on mixing drum 17, wherein, the first mixing arm A is contrary with the second mixing arm B installation direction, shoulder to shoulder, the second linear axis 10 of the first mixing arm A and the first linear axis 1 of the second mixing arm B are shoulder to shoulder for the second linear axis 10 of the first linear axis 1 of the first mixing arm A and the second mixing arm B.In addition, the first mixing arm A and the second mixing arm B drive and opposite direction rotating by the first motor a and the second motor b respectively.Therefore, when stirring material, material can be from the first linear axis 1 of the first mixing arm A feeding external spiral blade 2 and feeding internal helical blades 3 arrive the first mixing arm A through the first helical blade on helical axis and helical axis the second linear axis 10 on return to internal helical blades 9 and return to external spiral blade 8, then, material returning to internal helical blades 9 and returning to feeding external spiral blade 2 and the feeding internal helical blades 3 on the first linear axis 1 that external spiral blade 8 is sent to mixing arm B from the second linear axis 10 of the first mixing arm A, helical axis through the second mixing arm B arrives returning to internal helical blades 9 and returning to external spiral blade 8 on the second linear axis 10 afterwards, then, material returning to internal helical blades 9 and returning to feeding external spiral blade 2 and the feeding internal helical blades 3 on the first linear axis 1 that external spiral blade 8 is sent back to the first mixing arm A from the second linear axis 10 of the second mixing arm B, thereby complete circulating of material integral body.
In addition, the present invention is a kind of concrete batch plant also, and wherein, this mixing plant comprises agitating device provided by the present invention.
Can be found out by above description, the invention has the advantages that mixing arm according to the preferred embodiment of the present invention has solved the material stirring existed in the prior art insufficient inhomogeneous, and easily produce the problem of seize caking phenomenon in the material stirring process.Avoid shaft of the prior art according to the mixing arm of the preferred embodiment of the present invention by the setting of helical axis, thereby reached the purpose of avoiding to the full extent producing the seize caking phenomenon.In that allow and suitable scope, be set to be greater than the lead angle of the second helical blade by the lead angle of the first helical blade, can make the feed speed of the material of linear axis position be less than the feed speed of the material of helical axis part, thereby make material be stirred adequately and uniformly.Simultaneously, the first helical blade and the second helical blade all have the material that is arranged so that each position of internal helical blades and external spiral blade to be stirred fully, thereby make stirring more even.Agitating device provided by the invention and concrete batch plant comprise mixing arm provided by the present invention, therefore, have equally above-mentioned advantage, and its corresponding production efficiency also can be greatly improved and improve.Therefore, mixing arm provided by the invention has higher practicality and promotional value.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; in technical conceive scope of the present invention; can carry out multiple simple variant to technical 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 characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can be combined by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present invention, also can carry out any combination, 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 (10)
1. a mixing arm, it is characterized in that, this mixing arm comprise coaxially arranged the first linear axis (1) and the second linear axis (10) and be connected to described the first linear axis (1) and the second linear axis (10) between helical axis, the first helical blade is installed on described helical axis, on described the first linear axis (1) and/or described the second linear axis (10), the second helical blade is installed.
2. mixing arm according to claim 1, wherein, the lead angle of described the second helical blade is the 30-37 degree, and the lead angle of described the first helical blade is the 17-21 degree, and the lead angle of described the second helical blade is than the little 9-20 degree of the lead angle of described the first helical blade.
3. mixing arm according to claim 1, wherein, described helical axis comprises external spiral axle (4) and inside spin axle (5), and described the first helical blade comprises external spiral blade (6) and the internal helical blades (7) be arranged on respectively on described external spiral axle (4) and inside spin axle (5).
4. mixing arm according to claim 3, wherein, be connected with respectively external spiral linking arm (14) and inside spin linking arm (13) on the outer peripheral face of the end that described the first linear axis (1) is relative with the second linear axis (10), one side of described external spiral axle (4) is connected in the external spiral linking arm (14) on described the first linear axis (1) and the second linear axis (10), one side of described inside spin axle (5) is connected in the inside spin linking arm (13) on described the first linear axis (1) and the second linear axis (10), described external spiral blade (6) and internal helical blades (7) are arranged on respectively the opposite side of described external spiral axle (4) and the opposite side of inside spin axle (5).
5. mixing arm according to claim 3, wherein, on described the first linear axis (1) and described the second linear axis (10), described the second helical blade all is installed, the second helical blade on described the first linear axis (1) comprises feeding external spiral blade (2) and feeding internal helical blades (3), and the second helical blade on described the second linear axis (10) comprises and returns to external spiral blade (8) and return to internal helical blades (9).
6. mixing arm according to claim 5, wherein, be connected with linking arm (11) and the outer linking arm (12) of feeding in feeding on the outer peripheral face of described the first linear axis (1), one side of described feeding external spiral blade (2) is connected in the outer linking arm (12) of described feeding, and a side of described feeding internal helical blades (3) is connected in linking arm (11) in described feeding.
7. mixing arm according to claim 5, wherein, be connected with on the outer peripheral face of described the second linear axis (10) and return to interior linking arm (15) and return to outer linking arm (16), a described side of returning to external spiral blade (8) is connected in the described outer linking arm (16) that returns, and a described side of returning to internal helical blades (9) is connected in the described interior linking arm (15) that returns.
8. an agitating device, this agitating device comprises mixing arm, it is characterized in that, described mixing arm is according to the described mixing arm of above-mentioned any one claim.
9. agitating device according to claim 8, is characterized in that, described mixing arm is two, and these two mixing arms are arranged side by side, and in described two mixing arms mixing arm and the another one mixing arm tailfirst.
10. a concrete batch plant, is characterized in that, this mixing plant comprises agitating device according to claim 8 or claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103954106A CN103448144A (en) | 2013-09-03 | 2013-09-03 | Stirring arm, stirring device and concrete stirring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103954106A CN103448144A (en) | 2013-09-03 | 2013-09-03 | Stirring arm, stirring device and concrete stirring equipment |
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| CN103448144A true CN103448144A (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013103954106A Pending CN103448144A (en) | 2013-09-03 | 2013-09-03 | Stirring arm, stirring device and concrete stirring equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328787A (en) * | 2014-08-07 | 2016-02-17 | 中联重科股份有限公司 | Spiral belt keel, spiral belt and stirring device |
| CN109999691A (en) * | 2017-12-13 | 2019-07-12 | 艾卡多搅拌及混合工程有限公司 | Rabbling mechanism equipment |
| CN114682114A (en) * | 2020-12-25 | 2022-07-01 | 广东博智林机器人有限公司 | Stirring device |
| RU2779133C2 (en) * | 2017-12-13 | 2022-09-01 | Экато Рюр- Унд Миштехник Гмбх | Mixer device |
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| CN202241600U (en) * | 2011-08-31 | 2012-05-30 | 贵州航天凯山特种车改装有限公司 | Stirring blades of concrete stirring and transporting car |
| RU2461458C1 (en) * | 2011-06-09 | 2012-09-20 | Олег Савельевич Кочетов | Foam generator for foamed concrete mixers |
| CN203156933U (en) * | 2013-02-19 | 2013-08-28 | 徐工集团工程机械股份有限公司 | Mixing device and concrete mixing main machine |
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| CN2696799Y (en) * | 2004-03-12 | 2005-05-04 | 福建南方路面机械有限公司 | Double horizontal axle and double screw stirring machine for concrete |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105328787A (en) * | 2014-08-07 | 2016-02-17 | 中联重科股份有限公司 | Spiral belt keel, spiral belt and stirring device |
| CN109999691A (en) * | 2017-12-13 | 2019-07-12 | 艾卡多搅拌及混合工程有限公司 | Rabbling mechanism equipment |
| RU2779133C2 (en) * | 2017-12-13 | 2022-09-01 | Экато Рюр- Унд Миштехник Гмбх | Mixer device |
| CN114682114A (en) * | 2020-12-25 | 2022-07-01 | 广东博智林机器人有限公司 | Stirring device |
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Application publication date: 20131218 |