CN102990780B - Forcing type concrete mixer blade - Google Patents
Forcing type concrete mixer blade Download PDFInfo
- Publication number
- CN102990780B CN102990780B CN201210556084.8A CN201210556084A CN102990780B CN 102990780 B CN102990780 B CN 102990780B CN 201210556084 A CN201210556084 A CN 201210556084A CN 102990780 B CN102990780 B CN 102990780B
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- Prior art keywords
- blade
- wear
- resistant coating
- concrete mixer
- powder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000843 powder Substances 0.000 claims abstract description 36
- 239000011248 coating agent Substances 0.000 claims abstract description 34
- 238000000576 coating method Methods 0.000 claims abstract description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 18
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims abstract description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000919 ceramic Substances 0.000 claims abstract description 9
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 9
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 9
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 9
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 9
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 9
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 9
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 9
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 9
- 229910000746 Structural steel Inorganic materials 0.000 claims abstract description 4
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 4
- 239000000956 alloy Substances 0.000 claims abstract description 4
- 238000005266 casting Methods 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims abstract description 4
- 239000011159 matrix material Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 7
- 239000003082 abrasive agent Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000003831 antifriction material Substances 0.000 abstract 2
- 239000010410 layer Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
Landscapes
- Coating By Spraying Or Casting (AREA)
Abstract
The invention discloses a forcing type concrete mixer blade. The blade is of a spiral structure and is formed by casting, the blade and a rotating shaft are connected into a whole through a welding technology, a blade basal body is made of low-alloy high-tensile structural steel, and a layer of antifriction material is coated on the surface layer of the blade basal body so as to form a wear-resistant coating; and the wear-resistant coating comprises the following main components in percentage by weight: 42%-48% of Al2O3 ceramic powder, 40%-46% of Cr2O3 powder, 10%-15% of TiO2 powder and 2%-4% of SiO2 powder. The forcing type concrete mixer blade disclosed by the invention has the advantages that the structural design of the blade is reasonable, the performance is obvious, the antifriction material coated on the surface of the blade can form the wear-resistant coating, the coating ensures that the blade has good wear resistant, anticorrosion and high temperature resistance properties and the service life of the blade is effectively prolonged.
Description
Technical field
The present invention relates to a kind of blade of stirrer, relate in particular to the forced concrete mixer blade that a kind of serviceability is good, belong to building machinery technical field.
Background technology
Forced mixer has obtained developing rapidly and promoting rising from early 1950s.What occur at first is that disk vertical shaft type is forced concrete mixer, and this mixer is divided into Worm type and planetary two kinds.After 19 century 70s, along with the application of lightweight aggregate, there is circular groove axle horizontal type forced stirrer, it divides again two kinds of single horizontal shaft type and dual horizontal shaft types, have concurrently from the feature that falls and force two kinds of stirrings, the linear velocity of its stirring vane is little, wearability good, power consumption is few, and development is very fast.Forced concrete mixer is mixed on the rotating shaft jib in cylinder stirring vane is housed, add the material of mixing in cylinder, under the strong agitation of stirring vane, form the logistics intersecting, this agitating mode is strong more than the agitating mode effect that certainly falls, and is mainly suitable for stirring dry concrete.
In concrete preparation process, slurry and building stones can rub, collide and produce high temperature with blade, and the working time is longer, test durability and the comprehensive mechanical property of blade.Common steel alloy has good moulding and impact resistance, but wearability, corrosion resistance and high temperature resistant aspect Shortcomings.Can improve and improve the mechanical property of blade by improving the structural constituent of blade material and composition proportion, but improving cost is too high, performance is outstanding not.
Summary of the invention
For the demand, the invention provides a kind of forced concrete mixer blade, this blade surface applies one deck high-abrasive material, and forms coating, this coating has given blade good wear-resisting, anti-corrosion and resistance to elevated temperatures, effectively raises the service life of blade.
The present invention is a kind of forced concrete mixer blade, this blade is helical structure, casting, and connect as one by welding procedure and rotating shaft, the material of described blade matrix is low-alloy high-tensile structural steel, described blade matrix top layer applies one deck high-abrasive material, form wear-resistant coating, the main component of described wear-resistant coating and percentage composition proportioning thereof are: Al2O3 ceramic powders 42%-48%, Cr2O3 powder 40%-46%, TiO2 powder 10%-15%, SiO2 powder 2%-4%.
In a preferred embodiment of the present invention, the normal steels of described blade matrix material is: 20Mn2,20Mn2B and 15Cr, 15CrMn etc.
In a preferred embodiment of the present invention, described wear-resistant coating adopts plasma thermal sprayed technique to be prepared, and its molding thickness is about 30-40um.
In a preferred embodiment of the present invention, the hardness of described wear-resistant coating is not less than 3200HV.
In a preferred embodiment of the present invention, the main component of described wear-resistant coating and percentage composition proportioning thereof are: Al2O3 ceramic powders 44%-46%, Cr2O3 powder 43%-45%, TiO2 powder 12%-14%, SiO2 powder 2.5%-3%.
In a preferred embodiment of the present invention, the one-tenth-value thickness 1/10 difference of wear-resistant coating on described blade, in the one-tenth-value thickness 1/10 maximum near blade edge place, this one-tenth-value thickness 1/10 is successively decreased to root of blade by blade edge.
In a preferred embodiment of the present invention, the wear-resistant coating thickness of described blade edge is about 40um, and the wear-resistant coating thickness of root of blade is about 30um.
The present invention has disclosed a kind of forced concrete mixer blade, this blade construction is reasonable in design, and performance is outstanding, and its surface applies high-abrasive material and forms wear-resistant coating, this coating has given blade good wear-resisting, anti-corrosion and resistance to elevated temperatures, effectively raises the service life of blade.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 is the installation diagram of embodiment of the present invention forced concrete mixer blade;
In accompanying drawing, the mark of each parts is as follows: 1, blade, 2, rotating shaft.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Fig. 1 is the installation diagram of embodiment of the present invention forced concrete mixer blade; This blade 1 is helical structure, casting, and connect as one by welding procedure and rotating shaft 2, the material of described blade 1 matrix is low-alloy high-tensile structural steel, described blade 1 matrix top layer applies one deck high-abrasive material, form wear-resistant coating, the main component of described wear-resistant coating and percentage composition proportioning thereof are: Al2O3 ceramic powders 42%-48%, Cr2O3 powder 40%-46%, TiO2 powder 10%-15%, SiO2 powder 2%-4%.
The normal steels of forced concrete mixer blade Leaf 1 matrix material that the present invention mentions is: 20Mn2,20Mn2B and 15Cr, 15CrMn etc., this kind of steel have good moulding, toughness and impact resistance.
Wear-resistant coating adopts plasma thermal sprayed technique to be prepared, and its molding thickness is about 30-40um; The hardness of wear-resistant coating is not less than 3200HV, and its main component and percentage composition proportioning thereof are: Al2O3 ceramic powders 44%-46%, Cr2O3 powder 43%-45%, TiO2 powder 12%-14%, SiO2 powder 2.5%-3%; Wherein, the granularity of Al2O3 ceramic powders is 400-500 order, and the granularity of Cr2O3 powder is 450-550 order, and the granularity of TiO2 powder and SiO2 powder is 300-400 order; At aspect of performance, Al2O3 ceramic powders is given the anti-wear performance that blade 1 is high, and TiO2 powder is given the corrosion resisting property that blade 1 is high, and SiO2 powder is given the heat resistance that blade 1 is high, and Cr2O3 powder has been guaranteed the heat endurance that wear-resistant coating is good.
The one-tenth-value thickness 1/10 difference of wear-resistant coating on blade 1, in the one-tenth-value thickness 1/10 maximum near blade 1 edge, this one-tenth-value thickness 1/10 is successively decreased to blade 1 root by blade 1 edge; The wear-resistant coating thickness at blade 1 edge is about 40um, and the wear-resistant coating thickness of blade 1 root is about 30um; This structure is just the wear extent at blade 1 edge seriously to be designed; Meanwhile, there is graded in wearing layer, is also conducive to improve the stress distribution on blade 1, makes on blade 1 matrix suffered stress more even, further improved the serviceability of blade 1.
The present invention has disclosed a kind of forced concrete mixer blade, be characterized in: this blade construction is reasonable in design, performance is outstanding, its surface applies high-abrasive material and forms wear-resistant coating, this coating has given blade good wear-resisting, anti-corrosion and resistance to elevated temperatures, effectively raises the service life of blade.
The above; it is only the specific embodiment of the present invention; but protection scope of the present invention is not limited to this; any those of ordinary skill in the art are in the disclosed technical scope of the present invention; the variation that can expect without creative work or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (7)
1. a forced concrete mixer blade, this blade is helical structure, casting, and connect as one by welding procedure and rotating shaft, it is characterized in that, the material of described blade matrix is low-alloy high-tensile structural steel, described blade matrix top layer applies one deck high-abrasive material, form wear-resistant coating, the main component of described wear-resistant coating and percentage composition proportioning thereof are: Al2O3 ceramic powders 42%-48%, Cr2O3 powder 40%-46%, TiO2 powder 10%-15%, SiO2 powder 2%-4%.
2. according to the forced concrete mixer blade described in claim 1, it is characterized in that, the normal steels of described blade matrix material is: 20Mn2,20Mn2B and 15Cr, 15CrMn.
3. according to the forced concrete mixer blade described in claim 1, it is characterized in that, described wear-resistant coating adopts plasma thermal sprayed technique to be prepared, and its molding thickness is 30-40um.
4. according to the forced concrete mixer blade described in claim 3, it is characterized in that, the hardness of described wear-resistant coating is not less than 3200HV.
5. according to the forced concrete mixer blade described in claim 1, it is characterized in that, the main component of described wear-resistant coating and percentage composition proportioning thereof are: Al2O3 ceramic powders 44%-46%, Cr2O3 powder 43%-45%, TiO2 powder 12%-14%, SiO2 powder 2.5%-3%.
6. according to the forced concrete mixer blade described in claim 1, it is characterized in that, the one-tenth-value thickness 1/10 difference of wear-resistant coating on described blade, in the one-tenth-value thickness 1/10 maximum near blade edge place, this one-tenth-value thickness 1/10 is successively decreased to root of blade by blade edge.
7. according to the forced concrete mixer blade described in claim 6, it is characterized in that, the wear-resistant coating thickness of described blade edge is about 40um, and the wear-resistant coating thickness of root of blade is about 30um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210556084.8A CN102990780B (en) | 2012-12-20 | 2012-12-20 | Forcing type concrete mixer blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210556084.8A CN102990780B (en) | 2012-12-20 | 2012-12-20 | Forcing type concrete mixer blade |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102990780A CN102990780A (en) | 2013-03-27 |
| CN102990780B true CN102990780B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210556084.8A Expired - Fee Related CN102990780B (en) | 2012-12-20 | 2012-12-20 | Forcing type concrete mixer blade |
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| Country | Link |
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| CN (1) | CN102990780B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2812460C1 (en) * | 2023-07-12 | 2024-01-30 | Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" Национального исследовательского центра "Курчатовский институт" (НИЦ "Курчатовский институт" - ВИАМ) | Heat-resistant multifunctional coating |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106756993A (en) * | 2016-12-01 | 2017-05-31 | 广州市泓智机械有限公司 | A kind of metalwork composite ceramic material coating formula and its production technology |
| CN111825436A (en) * | 2020-07-27 | 2020-10-27 | 重庆科技学院 | Formula and preparation method of quaternary composite ceramic coating |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10130323A1 (en) * | 2001-06-22 | 2003-01-02 | Voith Paper Patent Gmbh | Wear body in laminated construction, in particular in a paper or board machine, process for its production and its use |
| CN102000522A (en) * | 2010-11-29 | 2011-04-06 | 江苏武东机械有限公司 | Wear and corrosion resistant stirrer |
| CN102391696A (en) * | 2011-09-21 | 2012-03-28 | 镇江忆诺唯记忆合金有限公司 | High-temperature anti-oxidation coating based on attapulgite clay (ATP) |
| CN202238057U (en) * | 2011-10-24 | 2012-05-30 | 重庆长风化学工业有限公司 | Reactor for synthesizing diethyl carbonate and stirrer of reactor |
-
2012
- 2012-12-20 CN CN201210556084.8A patent/CN102990780B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10130323A1 (en) * | 2001-06-22 | 2003-01-02 | Voith Paper Patent Gmbh | Wear body in laminated construction, in particular in a paper or board machine, process for its production and its use |
| CN102000522A (en) * | 2010-11-29 | 2011-04-06 | 江苏武东机械有限公司 | Wear and corrosion resistant stirrer |
| CN102391696A (en) * | 2011-09-21 | 2012-03-28 | 镇江忆诺唯记忆合金有限公司 | High-temperature anti-oxidation coating based on attapulgite clay (ATP) |
| CN202238057U (en) * | 2011-10-24 | 2012-05-30 | 重庆长风化学工业有限公司 | Reactor for synthesizing diethyl carbonate and stirrer of reactor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2812460C1 (en) * | 2023-07-12 | 2024-01-30 | Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт авиационных материалов" Национального исследовательского центра "Курчатовский институт" (НИЦ "Курчатовский институт" - ВИАМ) | Heat-resistant multifunctional coating |
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| CN102990780A (en) | 2013-03-27 |
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| ASS | Succession or assignment of patent right |
Owner name: CHANGSHU SHANGHU AGRICULTURAL ECOLOGICAL PARK CO., Free format text: FORMER OWNER: CHANGSHU DASHENG MACHINERY PLANT Effective date: 20140804 |
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Effective date of registration: 20140804 Address after: Suzhou City, Jiangsu Province, Changshou City Chaoyang 215500 Shang Lake Tai Bridge Applicant after: Changshu Shanghu Agricultural Ecological Park Co., Ltd. Address before: 215500 Jiangsu city of Suzhou province Changshou City Yushan forest Sunjia Road Applicant before: Changshu Dasheng Machinery Plant |
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| ASS | Succession or assignment of patent right |
Owner name: TAICANG TIANHE NEW MATERIAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: CHANGSHU SHANGHU AGRICULTURAL ECOLOGICAL PARK CO., LTD. Effective date: 20141029 |
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Effective date of registration: 20141029 Address after: 215400 Suzhou City, Taicang Province Economic Development Zone, Beijing West Road, No. 1, building 6, No. Applicant after: Taicang Tian He new material Science and Technology Ltd. Address before: Suzhou City, Jiangsu Province, Changshou City Chaoyang 215500 Shang Lake Tai Bridge Applicant before: Changshu Shanghu Agricultural Ecological Park Co., Ltd. |
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