CN202507384U - Stirrer with two horizontal shafts and stirring shaft of stirrer - Google Patents
Stirrer with two horizontal shafts and stirring shaft of stirrer Download PDFInfo
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- CN202507384U CN202507384U CN2012200763678U CN201220076367U CN202507384U CN 202507384 U CN202507384 U CN 202507384U CN 2012200763678 U CN2012200763678 U CN 2012200763678U CN 201220076367 U CN201220076367 U CN 201220076367U CN 202507384 U CN202507384 U CN 202507384U
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- mixing arm
- stirring
- feeding
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Abstract
The utility model provides a stirrer with two horizontal shafts and a stirring shaft of the stirrer. The stirring shaft is provided with a feeding continuous helical band blade unit, a single-shovel feeding blade unit group, a middle continuous helical band blade unit and a middle single-shovel blade unit group, a first return continuous helical band blade unit and a second return continuous helical band blade unit, wherein feeding stirring is realized by combination of a helical band type and a single shovel type; the feeding continuous helical band blade unit continuously extrudes and stirs materials towards the middle of the stirrer; the single-shovel feeding blade unit group assists in stirring the materials; after being extruded to the middle, the materials are concentratively stirred by the middle continuous helical band blade unit and the middle single-shovel blade unit group; and the first return continuous helical band blade unit and the second return continuous helical band blade unit reversely extrude and stir the materials, so that the materials reversely flow and are fully stirred. With the adoption of the stirrer with the two horizontal shafts, the efficiency and the effect for stirring the materials can be effectively improved.
Description
Technical field
The utility model relates generally to engineering machinery field, particularly a kind of twin-shaft mixer and shaft thereof.
Background technology
At present, concrete mixer adopts following two kinds of forms mostly: dual horizontal axle colter formula, dual horizontal axis helical-ribbon type.Dual horizontal axle colter formula mixer separately shovels moving realization to the stirring of material in the mixer through independent blade because each unit is a discrete, and material can not produce integral body and circulate continuously, and speed, the effect of stirring all have much room for improvement.Compare dual horizontal axle colter formula mixer, dual horizontal axis helical-ribbon type mixer stirring efficiency is higher, and mixing time is shorter.Yet, inside and outside two helical-ribbon type feed unit is set on the shaft in the prior art, when stirring, on shaft, cause solid accumulation easily, can reduce stirring efficiency from another point of view.
Therefore, in order to address the above problem, a kind of new stirring apparatus need be provided.
The utility model content
The utility model aims to provide a kind of twin-shaft mixer and shaft thereof, and it can effectively promote stirring efficiency and mixing effect to material.
The utility model provides a kind of shaft on the one hand; First end of said shaft is provided with the continuous ribbon blade unit of feeding and by single shovel feeding blade unit interval single shovel feeding blade unit group of forming is set, and the corresponding both sides that are arranged on said shaft;
The mid portion of said shaft is provided with middle ribbon blade unit continuously and by centre single shovel blade unit the middle list shovel blade unit group of forming is set at interval, and the corresponding both sides that are arranged on said shaft;
Second end of said shaft is provided with first and returns continuous ribbon blade unit and second and return continuous ribbon blade unit, and the corresponding both sides that are arranged on said shaft.
Further, the continuous ribbon blade unit of said feeding comprises at least five first mixing arms, and an end of said first mixing arm is connected with first stirring vane respectively, and said first stirring vane connects into continuous ribbon vane group;
The other end of said first mixing arm is fixed on the said shaft, and first mixing arm in the shape of a spiral shape be arranged at interval on the said shaft.
Further, said single shovel feeding blade unit group comprises and the same number of single shovel feeding blade of said first mixing arm unit;
Said single shovel feeding blade unit comprises second mixing arm and second stirring vane that is arranged on the end of said second mixing arm, and the position of corresponding said first mixing arm of said second mixing arm is arranged on the said shaft.
Further, said first mixing arm stirs brachium than said second.
Further, middle ribbon blade unit continuously comprises at least two the 3rd mixing arms, and an end of said the 3rd mixing arm is connected with the 3rd stirring vane respectively, and said the 3rd stirring vane connects into continuous ribbon vane group;
The other end of said the 3rd mixing arm is fixed on the said shaft, and the 3rd mixing arm in the shape of a spiral shape be arranged at interval on the said shaft.
Further, said middle single shovel blade unit group comprises and the same number of middle single blade unit that shovels of said the 3rd mixing arm;
Single shovel blade unit comprises the 4th mixing arm and the 4th stirring vane that is arranged on the end of said the 4th mixing arm in the middle of said, and the position of corresponding said the 3rd mixing arm of said the 4th mixing arm is arranged on the said shaft.
Further, said the 3rd mixing arm stirs brachium than the said the 4th.
Further; First returns continuous ribbon blade unit and second returns continuous ribbon blade unit and comprises at least two the 5th mixing arms respectively; One end of said the 5th mixing arm is connected with the 5th stirring vane respectively, and said the 5th stirring vane connects into the continuous ribbon vane group of returning;
The other end of said the 5th mixing arm is fixed on the said shaft, and the 5th mixing arm in the shape of a spiral shape be arranged at interval on the said shaft.
Further, said first stirring vane, the 3rd stirring vane or the 5th stirring vane have spiral helicine stirring face; Said second stirring vane or the 4th stirring vane have smooth stirring face.
The utility model a kind of twin-shaft mixer also is provided on the other hand, comprise first shaft and second shaft that laterally arrange, it is characterized in that said first shaft and said second shaft are aforesaid shaft; And
First end of said first shaft and said second shaft, second end are arranged on a side of said twin-shaft mixer rotationally; Second end of said first shaft and said second shaft, first end are arranged on the opposite side of said dual horizontal machine mixer rotationally.
The utility model adopts the combination of helical-ribbon type and single shovel to realize the feeding stirring.Because the continuous ribbon blade unit of feeding, first, second return continuous ribbon blade unit for being provided with continuously, play main stirring action, and single shovel feeding blade unit interval is provided with, play auxiliary stirring action.To the agitator continuously extruded stirring in middle part, single shovel feeding blade unit group is assisted stirring to material to the continuous ribbon blade unit of feeding with material; Material is extruded into the back, middle part and concentrates stirring by the continuous ribbon blade unit in centre and middle single shovel blade unit group; First, second returns continuous ribbon blade unit material is pushed stirring in the other direction, material is flowed in the other direction, and fully stirred.The utility model can effectively promote stirring efficiency and the mixing effect to material.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the side-looking structural representation of a kind of shaft of the utility model;
Fig. 2 is the perspective view of shaft shown in Figure 1.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Single shovel feeding blade unit group that a kind of shaft that provides for the utility model as depicted in figs. 1 and 2, first end of shaft are provided with the continuous ribbon blade unit 2 of feeding and are made up of single shovel feeding blade unit, and correspondence is arranged on the both sides of shaft; The middle list shovel blade unit group that the mid portion of shaft is provided with middle ribbon blade unit 9 continuously and is made up of centre single shovel blade unit, and the corresponding both sides that are arranged on shaft; Second end of shaft is provided with interior first and returns continuous ribbon blade unit 12 and second and return continuous ribbon blade unit 13, and the corresponding both sides that are arranged on shaft.
On the other hand, the utility model also provides a kind of twin-shaft mixer, and it comprises first shaft 1 and second shaft 1 ' that laterally arranges, and said first shaft 1 and second shaft 1 ' are aforesaid shaft; And first end of first shaft 1 and second shaft, 1 ' second end are arranged on a side of twin-shaft mixer rotationally; Second end of first shaft 1 and second shaft, 1 ' first end are arranged on the opposite side of twin-shaft mixer rotationally.
The shaft of the utility model or comprise the twin-shaft mixer of this kind shaft; Have the continuous ribbon blade unit 2 of feeding and single shovel feeding blade unit group; Middle ribbon blade unit 9 continuously and middle single shovel blade unit group; First, second returns continuous ribbon blade unit 12,13, adopts the combination of helical-ribbon type and single shovel to realize the feeding stirring.Because the continuous ribbon blade unit of feeding 2, first, second return continuous ribbon blade unit 12,13 for being provided with continuously, play main stirring action, and single shovel feeding blade unit interval is provided with, play auxiliary stirring action.To the mixer continuously extruded stirring in middle part, single shovel feeding blade unit group is assisted stirring to material to the continuous ribbon blade unit 2 of feeding with material; Material is extruded into the back, middle part and concentrates stirring by the continuous ribbon blade unit 9 in centre and middle single shovel blade unit group; First, second returns continuous ribbon blade unit 12,13 material is pushed stirring in the other direction, material is flowed in the other direction, and fully stirred.The utility model can effectively promote stirring efficiency and the mixing effect to material.
As a preferred embodiment; The continuous ribbon blade unit 2 of the feeding of the shaft of the utility model (or twin-shaft mixer) can comprise at least five first mixing arms 21; One end of first mixing arm 21 is connected with first stirring vane, 22, the first stirring vanes 22 respectively and connects into continuous ribbon vane group; The other end of first mixing arm 21 is fixed on first shaft 1 or second shaft 1 ', and first mixing arm 21 in the shape of a spiral shape be arranged at interval on the shaft (first shaft 1 or second shaft 1 ').Further, list shovel feeding blade unit group comprises and first mixing arm, 21 the same number of single shovel feeding blade unit; Single shovel feeding blade unit comprises that the position of second mixing arm 23 and second stirring vane, 24, the second mixing arms, 23 corresponding first mixing arms 21 of the end that is arranged on second mixing arm 23 is arranged on the shaft (i.e. first shaft 1 or second shaft 1 ').
Need to prove; Because shaft need be arranged on the cylinder interior of twin-shaft mixer; For guaranteeing that first stirring vane 22 can run well, and do not stay at cylinder body and to stir the dead angle, realize better mixing effect; So the outermost of shaft leans on first stirring vane 22 of inboard wall of cylinder block to may be embodied as shape and/or the setting angle different with other first stirring vanes 22, fits tightly with inboard wall of cylinder block to guarantee outermost first stirring vane 22.
The quantity of first mixing arm 21 (or first stirring vane 22) can be five, six even more, can get different numerical according to the difference of shaft length in the actual stirring demand.As depicted in figs. 1 and 2, as an optional embodiment, the continuous ribbon blade unit 2 of the feeding of the utility model has comprised six first mixing arms 21; Correspondingly, single shovel feeding blade unit group also comprises six single shovel feeding blade unit, is respectively first single shovel feeding blade unit 3; 5, the four single shovel feeding blade unit 6,4, the three single shovel feeding blade unit, second single shovel feeding blade unit; 7, the six single shovel feeding blade unit 8, the 5th single shovel feeding blade unit.Being arranged on the shaft (i.e. first shaft 1 or second shaft 1 ') of six first mixing arms, 21 intervals of the continuous ribbon blade unit 2 of feeding; And integral body is the feed screw shape, can form the continuous ribbon vane group that is the feed screw shape when first stirring vane 22 of mixing arm 21 other end settings of winning is interconnected.Slide for the ribbon vane group that makes formation is more suitable; To realize better mixing effect; The stirring face of each first stirring vane 22 can be arranged to and the predetermined identical helical form of feed screw shape, and such first stirring vane 22 can form seamless along sliding connection.
On shaft, second mixing arm 23 is provided with identical feed screw shape at interval, and every second mixing arm 23 and one first mixing arm 21 are arranged on the both sides of shaft.The end of second mixing arm 23 also is provided with second stirring vane 24.To stir face different with the helical form of first stirring vane 22, and the stirring face of second stirring vane 24 can be smooth stirring face, can have the mixing effect different with the continuous ribbon blade unit of feeding 2 like this, complement one another during stirring.In addition, because single shovel feeding blade unit is to be provided with at interval, second stirring vane 24 is also little than first stirring vane 22, stirs the structure of face in conjunction with it, and second stirring vane 24 is more convenient for manufacturing, and practices thrift cost.
Need to prove; Identical with above-mentioned discussion to first stirring vane 22; Outermost second stirring vane 24 need be configured to shape and/or the setting angle with inboard wall of cylinder block coupling on the shaft, fits tightly with inboard wall of cylinder block to guarantee outermost second stirring vane 2.
In order to make the continuous ribbon blade unit 2 of feeding and single shovel feeding blade unit demonstrate major-minor more significantly complementary mixing effect; The radius of spin of the continuous ribbon blade unit 2 of the feeding of the utility model is bigger than the radius of spin of single shovel feeding blade unit group, and promptly first mixing arm, 21 to the second mixing arms 23 are longer, like this when stirring; More can highlight the main stirring action of the continuous ribbon blade unit 2 of feeding; And single shovel feeding blade unit stirs the stirring radius that radius is positioned at the continuous ribbon blade unit 2 of feeding more near shaft, carries out complementary stirring in inside; Stir material more fully, and can effectively avoid material on shaft, to pile up.
In addition; Because first mixing arm 21 and second mixing arm, 23 correspondences are arranged on the both sides of shaft 1 or 1 '; When manufacturing, can as required first mixing arm 21 and second mixing arm 23 be embodied as a mixing arm that passes through shaft; The longer side of exposed portions serve is as first mixing arm 21, and a short side is as second mixing arm 23.Like this position of first, second mixing arm can be set more precisely, and also can play better stirring action when organizing mixing arm more and combining.
The continuous ribbon blade unit 9 in the centre of the utility model can comprise that an end of at least two the 3rd mixing arms 25, the three mixing arms 25 is connected with the 3rd stirring vane 26, the three stirring vanes 26 respectively and connects into continuous ribbon vane group; The other end of the 3rd mixing arm 25 is fixed on the shaft (i.e. first shaft 1 or second shaft 1 '), and the 3rd mixing arm 25 in the shape of a spiral shape be arranged at interval on the shaft (i.e. first shaft 1 or second shaft 1 ').The preferred structural similarity with the continuous ribbon blade unit 2 of aforesaid feeding of the continuous ribbon blade unit in the centre of the utility model 9; Just both present positions on shaft are different; The stirring radius is different; And the setting angle of the stirring vane (the 3rd stirring vane 26 is compared with non-outermost first stirring vane 22) separately is different, and the stirring action that plays is also different.Single shovel blade unit group can comprise and the 3rd mixing arm 25 the same number of middle single shovel blade units in the middle of the utility model; Middle single shovel blade unit comprises that the position of the 4th stirring vane 28, the four mixing arms 27 corresponding the 3rd mixing arms 25 of the 4th mixing arm 27 and the end that is arranged on the 4th mixing arm 27 is arranged on the shaft (i.e. first shaft 1 or second shaft 1 ').As a same reason; Middle single shovel blade unit group is also similar basically with the structure of aforementioned single shovel feeding blade unit group; Just both present positions on shaft are different; The stirring radius is different, and the setting angle of the stirring vane (the 4th stirring vane 28 is compared with non-outermost second stirring vane 24) separately is different, and the stirring action that plays is also different.
Because middle ribbon blade unit 9 continuously and middle single shovel blade unit group are mainly at the abundant stirring action of shaft middle; And being limited to the length restriction of shaft, the length of middle ribbon blade unit 9 continuously and middle single shovel blade unit group is general all less than the length of the continuous ribbon blade unit 2 of aforesaid feeding.As illustrated in fig. 1 and 2, the continuous ribbon blade unit 9 in the centre of the utility model comprises 26, two middle single shovel blade units 10 and 11 of 25, two the 3rd stirring vanes of two the 3rd mixing arms.Also can be as required and condition restriction, the continuous ribbon blade unit 9 in centre of different length is set.
The 3rd stirring vane 24 of the continuous ribbon blade unit 9 in the centre of the utility model has spiral helicine stirring face; The 4th stirring vane 26 of middle single shovel blade unit has smooth stirring face; The reason and the effect of design are discussed identical with above-mentioned to the continuous ribbon blade unit 2 of feeding and single shovel feeding blade unit like this.
In addition, with aforementioned similar, the radius of spin of the continuous ribbon blade unit 9 in the centre of the utility model is greater than centre single shovel blade unit group radius of spin, and promptly the 3rd mixing arm 25 to the four mixing arms 27 are long.When stirring, both can realize the mixing effect of major-minor complementation like this.Further, the 3rd mixing arm 25 also can be different two parts of length of a mixing arm with the 4th mixing arm 27, also can be two mixing arms that coaxial line is arranged on the shaft both sides, to give full play to the stirring action of mixing arm.
First of the shaft of the utility model (or twin-shaft mixer) returns continuous ribbon blade unit 12 and second and returns continuous ribbon blade unit 13 and can comprise at least two the 5th mixing arms 29 respectively; One end of the 5th mixing arm 29 is connected with the 5th stirring vane 30, the five stirring vanes 30 respectively and connects into the continuous ribbon vane group of returning; The other end of the 5th mixing arm 29 is fixed on the shaft (i.e. first shaft 1 or second shaft 1 '), and the 5th mixing arm 29 in the shape of a spiral shape be arranged at interval on the shaft (i.e. first shaft 1 or second shaft 1 ').Identical with above-mentioned discussion to the continuous ribbon blade unit 2 of feeding; For the better inwall of applying mixer cylinder body stirs, first, second outermost (promptly near inboard wall of cylinder block) the 5th stirring vane 30 that returns continuous ribbon blade unit 12,13 also can have the configuration of special shape and/or fixed angle.
First, second helical-ribbon type structure of helical-ribbon type structure and the continuous ribbon blade unit 2 of aforesaid feeding of returning continuous ribbon blade unit 12,13 is similar basically, but first, second hand of spiral of returning continuous ribbon blade unit 12,13 is in the opposite direction with the latter's feed screw.Shape for stirring vane; First, second the 5th stirring vane 30 that returns continuous ribbon blade unit 12,13 has spiral helicine stirring face; And the hand of spiral and feed screw are in the opposite direction, to realize the identical effect of helical form stirring face with the first, the 3rd stirring vane of above-mentioned discussion.
In addition, first, second return the 5th mixing arm that continuous ribbon blade unit 12,13 has separately also each other correspondence be arranged on the both sides of shaft; Further; Its radius of spin separately also can be with reference to aforementioned discussion; The radius of spin of being arranged to vary in size (mixing arm that promptly can be both has different length) makes first, second return continuous ribbon blade unit 12,13 and plays different mixing effects.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. a shaft is characterized in that, first end of said shaft is provided with the continuous ribbon blade unit of feeding (2) and by single shovel feeding blade unit interval single shovel feeding blade unit group of forming is set, and the corresponding both sides that are arranged on said shaft;
The mid portion of said shaft is provided with middle ribbon blade unit (9) continuously and by centre single shovel blade unit the middle list shovel blade unit group of forming is set at interval, and the corresponding both sides that are arranged on said shaft;
Second end of said shaft is provided with first and returns continuous ribbon blade unit (12) and second and return continuous ribbon blade unit (13), and the corresponding both sides that are arranged on said shaft.
2. shaft according to claim 1; It is characterized in that; The continuous ribbon blade unit of said feeding (2) comprises at least five first mixing arms (21); One end of said first mixing arm (21) is connected with first stirring vane (22) respectively, and said first stirring vane (22) connects into continuous ribbon vane group;
The other end of said first mixing arm (21) is fixed on the said shaft, and first mixing arm (21) in the shape of a spiral shape be arranged at interval on the said shaft.
3. shaft according to claim 2 is characterized in that, said single shovel feeding blade unit group comprises and the same number of single shovel feeding blade of said first mixing arm (21) unit;
Said single shovel feeding blade unit comprises second mixing arm (23) and is arranged on second stirring vane (24) of the end of said second mixing arm (23) that the position of corresponding said first mixing arm of said second mixing arm (23) (21) is arranged on the said shaft.
4. shaft according to claim 3 is characterized in that, said first mixing arm (21) is longer than said second mixing arm (23).
5. shaft according to claim 1; It is characterized in that; Middle ribbon blade unit (9) continuously comprises at least two the 3rd mixing arms (25); One end of said the 3rd mixing arm (25) is connected with the 3rd stirring vane (26) respectively, and said the 3rd stirring vane (26) connects into continuous ribbon vane group;
The other end of said the 3rd mixing arm (25) is fixed on the said shaft, and the 3rd mixing arm (25) in the shape of a spiral shape be arranged at interval on the said shaft.
6. shaft according to claim 5 is characterized in that, said middle single shovel blade unit group comprises and the same number of middle single blade unit that shovels of said the 3rd mixing arm (25);
List shovels the 4th stirring vane (28) that blade unit comprises the 4th mixing arm (27) and is arranged on the end of said the 4th mixing arm (27) in the middle of said, and the position of corresponding said the 3rd mixing arm of said the 4th mixing arm (27) (25) is arranged on the said shaft.
7. shaft according to claim 6 is characterized in that, said the 3rd mixing arm (25) is longer than said the 4th mixing arm (27).
8. shaft according to claim 1; It is characterized in that; First returns continuous ribbon blade unit (12) and second returns continuous ribbon blade unit (13) and comprises at least two the 5th mixing arms (29) respectively; One end of said the 5th mixing arm (29) is connected with the 5th stirring vane (30) respectively, and said the 5th stirring vane (30) connects into the continuous ribbon vane group of returning;
The other end of said the 5th mixing arm (29) is fixed on the said shaft, and the 5th mixing arm (29) in the shape of a spiral shape be arranged at interval on the said shaft.
9. according to any described shaft of claim among the claim 2-8, it is characterized in that said first stirring vane (22), the 3rd stirring vane (26) or the 5th stirring vane (30) have spiral helicine stirring face; Said second stirring vane (24) or the 4th stirring vane (28) have smooth stirring face.
10. twin-shaft mixer; Comprise first shaft (1) and second shaft (1 ') that laterally arrange; It is characterized in that said first shaft (1) and said second shaft (1 ') are like any described shaft of claim among the claim 1-8; And
First end of said first shaft (1) and said second shaft (1 '), second end are arranged on a side of said twin-shaft mixer rotationally; Second end of said first shaft (1) and said second shaft (1 '), first end are arranged on the opposite side of said dual horizontal machine mixer rotationally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200763678U CN202507384U (en) | 2012-03-02 | 2012-03-02 | Stirrer with two horizontal shafts and stirring shaft of stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200763678U CN202507384U (en) | 2012-03-02 | 2012-03-02 | Stirrer with two horizontal shafts and stirring shaft of stirrer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202507384U true CN202507384U (en) | 2012-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200763678U Expired - Lifetime CN202507384U (en) | 2012-03-02 | 2012-03-02 | Stirrer with two horizontal shafts and stirring shaft of stirrer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202507384U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406993A (en) * | 2013-05-17 | 2013-11-27 | 北汽福田汽车股份有限公司 | Stirring arm, stirring device and stirrer |
| CN103847026A (en) * | 2014-03-26 | 2014-06-11 | 山推建友机械股份有限公司 | Concrete mixing main engine |
| CN103977446A (en) * | 2014-06-05 | 2014-08-13 | 湖南农业大学 | Directly-heating type high-temperature burning sterilization process for tobacco wastes |
| CN107471433A (en) * | 2017-09-08 | 2017-12-15 | 郭颂怡 | Mixing arm, agitating device |
-
2012
- 2012-03-02 CN CN2012200763678U patent/CN202507384U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406993A (en) * | 2013-05-17 | 2013-11-27 | 北汽福田汽车股份有限公司 | Stirring arm, stirring device and stirrer |
| CN103406993B (en) * | 2013-05-17 | 2016-01-13 | 北汽福田汽车股份有限公司 | Mixing arm, agitating device and mixer |
| CN103847026A (en) * | 2014-03-26 | 2014-06-11 | 山推建友机械股份有限公司 | Concrete mixing main engine |
| CN103977446A (en) * | 2014-06-05 | 2014-08-13 | 湖南农业大学 | Directly-heating type high-temperature burning sterilization process for tobacco wastes |
| CN103977446B (en) * | 2014-06-05 | 2017-06-06 | 湖南农业大学 | A kind of tobacco waste directly-heated type high temperature scalds and kills sterilization process |
| CN107471433A (en) * | 2017-09-08 | 2017-12-15 | 郭颂怡 | Mixing arm, agitating device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121031 |
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| CX01 | Expiry of patent term |