CN101513751A - Concrete mixer truck - Google Patents
Concrete mixer truck Download PDFInfo
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- CN101513751A CN101513751A CNA2008100819258A CN200810081925A CN101513751A CN 101513751 A CN101513751 A CN 101513751A CN A2008100819258 A CNA2008100819258 A CN A2008100819258A CN 200810081925 A CN200810081925 A CN 200810081925A CN 101513751 A CN101513751 A CN 101513751A
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Abstract
A concrete mixer truck comprises a mixing tank of which the inner wall is welded with mixing blades, and is characterized in that: the tank body of the mixing tank consists of a feeding cone-shaped section, a cylindrical section, and a tank bottom cone-shaped section; and the mixing blades consists of 20 double-spiral blades with different geometric dimensions and mounting angles, wherein blades No.1 to No.11 form the blades of the feeding cone-shaped section, the blade No.12 is positioned between the blades of the feeding cone-shaped section and the blades of the cylindrical section, the blades No. 13 to No.16 form the blades of the cylindrical section, and the blades No. 17 to No. 20 form the blades of the tank bottom cone-shaped section. The blades of the invention have four spatial curved helicoids A, B, C and D, different section heights, thread pitches, lead angles and feed face transitional angles at different sections, increase mixing and transporting capacity of dry and hard concrete and large-slump concrete, adapt to mixing and transporting of 0 to 260 millimeter slump commercial concrete, and solve the problems of aggregate segregation and difficult discharge of dry and hard concrete and mortar segregation of large-slump concrete.
Description
Technical field
The present invention relates to a kind of concrete and stir conveying arrangement, particularly relating to a kind of A of having, B, the two stirring vanes of four space curve helicoids of C, D, can adapt to 0mm---260mm slump scope commerical ready-mixed concrete stirs the concrete mixing and transporting car of transportation, be improvement, belong to concrete and stir conveying arrangement the stirring vane structure in the existing concrete agitator truck agitator tank.
Background technology
The concrete that meets certain technology and instructions for use that commerical ready-mixed concrete is meant to concentrate and stirs, the mode of remote transportation is supplied to the construction site.At present, building industry adopts concrete mixing and transporting car at large, the concrete that had stirred is transported to the job site carries out concrete casting.This concrete mixing and transporting car includes an agitator tank that is installed on the vehicle, be welded with stirring vane on the agitator tank inwall, agitator tank links to each other with the mixer drive system of ready-mixed concrete, concrete mixing and transporting car is in transportation, the not stall of speed that its core component agitator tank keeps certain is moving, rely on stirring vane in the agitator tank ready-mixed concrete that in transportation, keeps, and unload concrete at the construction field (site).
In recent years, under the guiding of national relevant policies, the scope of application of capital construction industry commerical ready-mixed concrete more and more widely, specification requirement improves constantly, especially slump scope continues to increase that (---230mm is increased to 0mm---260mm) by original 50mm.This just gives, and the commerical ready-mixed concrete means of transport---concrete mixing and transporting car has proposed higher designing requirement.At present, industry standard QC/T667-2000 " concrete mixing and transporting car technical conditions " does not have the slump scope proposition specific requirement of the commerical ready-mixed concrete that can transport concrete mixing and transporting car.The well-known manufacturers of internal class concrete mixing and transporting car such as Huajian, Shanghai, Liaoning Hai Nuo, Anhui star horse, Xuzhou Liebherr, the commerical ready-mixed concrete slump scope that its product can transport is 50mm---and 230mm (Asia, Tangshan is specially for 30mm---230mm), to the concrete transportation of the slump, there are series of technical such as discharging time is long, residual rate is too high, coarse aggregate segregation, the overflow of hydraulic pressure stirring system less than 50mm (30mm); To the concrete transportation of the slump, there are technical problems such as mortar segregation, flash greater than 230mm.This is because the structure and the curve form of stirring vane, have great importance to improving concrete mixing quality, reduce to stir resistance, reduce power consumption, and stirring vane structure and curve form in the agitator tank of existing domestic concrete mixing and transporting car are all very unreasonable, the general design of logarithmic curve blade, the difficult problem of fail fine solution no slump concrete aggregate segregation and discharging difficulty, the easy mortar segregation of high slump concrete of adopting
Summary of the invention
The objective of the invention is to solve the problems referred to above that prior art exists, be meeting the market requirement, the structure of stirring vane on the available coagulation soil trucd mixer agitator tank inwall is improved, develop a kind of new concrete agitator truck.This concrete mixing and transporting car is by revising adjustment with the parameter of traditional double helix logarithmic curve blade, make it have different profile heights, pitch and lift angle and meet charge level transition angle at different sections, and design have A, the two stirring vanes of B, C, four space curve helicoids of D, starch the hole returning of different apertures of its discharge blade partial design some and distribution density, on the basis of guaranteeing original stirring transport performance, increase stirring transport capacity to dry concrete and high slump concrete; Simultaneously, install wearing plate additional, can effectively improve the service life of blade at the top of each section blade; Can adapt to 0mm---260mm slump scope commerical ready-mixed concrete stirs transportation, has well solved the difficult problem of no slump concrete aggregate segregation and discharging difficulty, the easy mortar segregation of high slump concrete.
The technical scheme that the present invention provides is: this concrete mixing and transporting car includes agitator tank, be welded with stirring vane on the agitator tank inwall, the tank body that is characterized in described agitator tank is made of charging awl section, cylindrical section, a jar base cone section, described stirring vane is made of the double helix blade of 20 different geometrical size and setting angle, the seam crossing butt welding of each sheet blade, wherein
The 1-11 blade constitutes charging awl section blade, from the tank body axis direction, the A of helical blade, B, four trajectories of C, D form the concave curvatures with two flex points, the 1-11 blade profile is similar, physical dimension and setting angle all there are differences, and can guarantee that dryness concrete input and output material is smooth and easy rapidly;
No. 12 leaf position is between charging awl section blade and the cylindrical section blade, plays the slick and sly transitional function that connects;
The 13-16 blade constitutes the cylindrical section blade, from jar mouth direction inwards, the A of helical blade, B, three trajectories of C form the concave curvatures with a flex point, and the 13-16 blade profile is similar, physical dimension and setting angle there are differences, and can take into account the stirring and the input and output material performance of tank body;
The 17-20 blade constitutes a jar base cone section blade; from jar mouth direction inwards; two trajectories of the A of helical blade, B have formed reverses curved surface; the 17-20 blade profile is similar; physical dimension and setting angle also there are differences, and can guarantee that concrete section at the bottom of jar keeps suitable stirring intensity, can guarantee enough stirring intensity eliminations " dead material district "; can guarantee concrete even matter degree again, take into account discharging speed simultaneously.
Purpose is not to better implement the present invention all emanated when guaranteeing the high slump concrete discharging, and each impeller of described charging awl section blade is provided with and returns the slurry hole.
Purpose to better implement the present invention, in the service life of effectively improving blade, the top of described each section blade is provided with wearing plate.
In the technique scheme that the present invention provides, the definition of the A of described helical blade, B, C, four trajectories of D is: A refers to that the radial outer end of stirring vane and tank body crust inwall intersect the spiral track trace that forms; B refers to along the first inside flex point trajectory of the radial outer end A trajectory of stirring vane (do not have flex point at jar base cone section blade, this moment, B was the inner locus of points line of blade radial); C refers to along the second inside flex point trajectory of the radial outer end A trajectory of stirring vane (do not have second flex point at the cylindrical section blade, this moment, C was the inner locus of points line of blade radial); The inner locus of points line of D fingering material awl section blade radial.
In the technique scheme that the present invention provides, the design formula of described helical blade is same as the prior art, but the parameter of traditional double helix logarithmic curve blade is revised adjustment, make it have different profile heights, pitch and lift angle and meet charge level transition angle at different sections.
Compared with prior art, the invention has the beneficial effects as follows: the parameter of traditional double helix logarithmic curve blade is revised adjustment, make it have different profile heights, pitch and lift angle and meet charge level transition angle at different sections, and design have A, the two stirring vanes of B, C, four space curve helicoids of D, starch the hole returning of different apertures of its discharge blade partial design some and distribution density, on the basis of guaranteeing original stirring transport performance, increase stirring transport capacity to dry concrete and high slump concrete.Simultaneously, install wearing plate additional, can effectively improve the service life of blade at the top of each section blade.Can adapt to 0mm-260mm slump scope commerical ready-mixed concrete and stir transportation, well solve the difficult problem of no slump concrete aggregate segregation and discharging difficulty, the easy mortar segregation of high slump concrete.
Description of drawings
Fig. 1 is the tank structure schematic diagram of agitator tank of the present invention;
Fig. 2 is the I-1 cutaway view among Fig. 1, i.e. the concave curvatures schematic diagram of charging awl section blade;
Fig. 3 is the II-II cutaway view among Fig. 1, i.e. the concave curvatures schematic diagram of cylindrical section blade;
Fig. 4 is the III-III cutaway view among Fig. 1, and promptly jar base cone section blade reverses the curved surface schematic diagram.
Among the figure: label 1~20 is blade, and label A, B, C, D are the trajectory of helical blade.
The specific embodiment
Below in conjunction with embodiment concrete technical scheme of the present invention is described further:
As Fig. 1~shown in Figure 4, the tank body of the agitator tank of this concrete mixing and transporting car is made of charging awl section, cylindrical section, a jar base cone section, described stirring vane is made of the double helix blade of 20 different geometrical size and setting angle, the seam crossing butt welding of each sheet blade, wherein
In the foregoing description that the present invention provides, when the diameter specifications of agitator tank tank body was φ 2100mm~φ 2400mm, the profile height of described charging awl section blade was that 400~420mm, pitch are that 680~730mm, lift angle are 20 °~22 ° and to meet charge level transition angle be 120 °~140 °; The profile height of described cylindrical section blade is that 380~400mm, pitch are that 900~1100mm, lift angle are 22 °~26 ° and to meet charge level transition angle be 90 °~120 °; The profile height of described jar base cone section blade is that 340~380mm, pitch are that 800~900mm, lift angle are 18 °~22 ° and to meet charge level transition angle be 65 °~90 °.
During the concrete mixing and transporting car charging, ready-mixed concrete enters agitator tank tank body charging awl section by feed hopper by outer feed pipe, enters cylindrical section and jar end section under the rotation of stirring vane promotes; During transportation, tank body is rotated in a clockwise direction (from the eyes front of tailstock portion) with certain speed, under the stirring of each section blade, guarantees the material serviceability; During discharging, tank body rotates in the counterclockwise direction, and under the promotion of each section blade, concrete is discharged by the tank body discharging opening, is discharged into assigned address through chute, blowpit.
Claims (3)
1. concrete mixing and transporting car, include agitator tank, be welded with stirring vane on the agitator tank inwall, the tank body that it is characterized in that described agitator tank is made of charging awl section, cylindrical section, a jar base cone section, described stirring vane is made of the double helix blade of 20 different geometrical size and setting angle, the seam crossing butt welding of each sheet blade, wherein
Blade (1)~(11) constitute charging awl section blade, from the tank body axis direction, the A of helical blade, B, four trajectories of C, D form the concave curvatures with two flex points, blade (1)~(11) appearance similar, and physical dimension and setting angle all there are differences;
Blade (12) position is between charging awl section blade and the cylindrical section blade;
Blade (13)~(16) constitute the cylindrical section blade, and from jar mouth direction inwards, the A of helical blade, B, three trajectories of C form the concave curvatures with a flex point, blade (13)~(16) appearance similar, and physical dimension and setting angle there are differences;
Blade (17)~(20) constitute a jar base cone section blade, and from jar mouth direction inwards, two trajectories of the A of helical blade, B have formed reverses curved surface, blade (17)~(20) appearance similar, and physical dimension and setting angle also there are differences.
2. concrete mixing and transporting car according to claim 1, each impeller that it is characterized in that described charging awl section blade is provided with and returns the slurry hole.
3. concrete mixing and transporting car according to claim 1 is characterized in that the top of described each section blade is provided with wearing plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2008100819258A CN101513751A (en) | 2008-02-22 | 2008-02-22 | Concrete mixer truck |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNA2008100819258A CN101513751A (en) | 2008-02-22 | 2008-02-22 | Concrete mixer truck |
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CN101513751A true CN101513751A (en) | 2009-08-26 |
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CNA2008100819258A Pending CN101513751A (en) | 2008-02-22 | 2008-02-22 | Concrete mixer truck |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102539657A (en) * | 2012-01-17 | 2012-07-04 | 大连科诺科技发展有限公司 | Device for measuring slump and actual loss of concrete |
CN103737722A (en) * | 2013-12-26 | 2014-04-23 | 中国重汽集团柳州运力专用汽车有限公司 | Agitator tank with strong pumping screw blade |
CN104070293A (en) * | 2014-06-29 | 2014-10-01 | 柳州美纳机械有限公司 | Welding technology for stirring tanks |
CN104080584A (en) * | 2012-03-30 | 2014-10-01 | 萱场工业株式会社 | Drum blade |
CN104260205A (en) * | 2014-09-30 | 2015-01-07 | 成都市新筑路桥机械股份有限公司 | Three-spiral-band stirring shaft structure applicable to main concrete stirring machine |
CN104619471A (en) * | 2012-09-12 | 2015-05-13 | 萱场工业株式会社 | Mixer drum device |
CN105773839A (en) * | 2014-12-15 | 2016-07-20 | 中联重科股份有限公司 | Blade assembly for mixing drum, mixing drum and concrete mixer |
CN107856191A (en) * | 2017-12-12 | 2018-03-30 | 安徽星马专用汽车有限公司 | A kind of mixing drum device |
CN111497024A (en) * | 2020-04-26 | 2020-08-07 | 重庆佳耀商品混凝土有限公司 | Noise reduction structure of concrete mixing tank for concrete transport vehicle |
CN112757996A (en) * | 2021-02-26 | 2021-05-07 | 苏州市正和汽车贸易有限公司 | PTA transport vechicle that screw conveyer was unloaded |
PL131105U1 (en) * | 2022-11-25 | 2024-05-27 | Ina Spółka Z Ograniczoną Odpowiedzialnością | Truck concrete mixer tank with a capacity of 12 m3 |
PL442954A1 (en) * | 2022-11-25 | 2024-05-27 | Ina Spółka Z Ograniczoną Odpowiedzialnością | Spiral unit of a truck concrete mixer tank with a capacity of 12 m3 |
-
2008
- 2008-02-22 CN CNA2008100819258A patent/CN101513751A/en active Pending
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102539657A (en) * | 2012-01-17 | 2012-07-04 | 大连科诺科技发展有限公司 | Device for measuring slump and actual loss of concrete |
CN104080584A (en) * | 2012-03-30 | 2014-10-01 | 萱场工业株式会社 | Drum blade |
CN104080584B (en) * | 2012-03-30 | 2017-02-08 | Kyb 株式会社 | drum blade |
CN104619471A (en) * | 2012-09-12 | 2015-05-13 | 萱场工业株式会社 | Mixer drum device |
CN103737722A (en) * | 2013-12-26 | 2014-04-23 | 中国重汽集团柳州运力专用汽车有限公司 | Agitator tank with strong pumping screw blade |
CN104070293A (en) * | 2014-06-29 | 2014-10-01 | 柳州美纳机械有限公司 | Welding technology for stirring tanks |
CN104260205A (en) * | 2014-09-30 | 2015-01-07 | 成都市新筑路桥机械股份有限公司 | Three-spiral-band stirring shaft structure applicable to main concrete stirring machine |
CN105773839B (en) * | 2014-12-15 | 2019-08-13 | 中联重科股份有限公司 | Blade assembly for mixing drum, mixing drum and concrete mixer |
CN105773839A (en) * | 2014-12-15 | 2016-07-20 | 中联重科股份有限公司 | Blade assembly for mixing drum, mixing drum and concrete mixer |
CN107856191A (en) * | 2017-12-12 | 2018-03-30 | 安徽星马专用汽车有限公司 | A kind of mixing drum device |
CN111497024A (en) * | 2020-04-26 | 2020-08-07 | 重庆佳耀商品混凝土有限公司 | Noise reduction structure of concrete mixing tank for concrete transport vehicle |
CN112757996A (en) * | 2021-02-26 | 2021-05-07 | 苏州市正和汽车贸易有限公司 | PTA transport vechicle that screw conveyer was unloaded |
PL131105U1 (en) * | 2022-11-25 | 2024-05-27 | Ina Spółka Z Ograniczoną Odpowiedzialnością | Truck concrete mixer tank with a capacity of 12 m3 |
PL442954A1 (en) * | 2022-11-25 | 2024-05-27 | Ina Spółka Z Ograniczoną Odpowiedzialnością | Spiral unit of a truck concrete mixer tank with a capacity of 12 m3 |
WO2024112216A1 (en) * | 2022-11-25 | 2024-05-30 | Ina Spółka Z Ograniczoną Odpowiedzialnością | A spiral mixer assembly of a concrete mixer truck with a capacity of 12 m3 |
WO2024112215A1 (en) * | 2022-11-25 | 2024-05-30 | Ina Spółka Z Ograniczoną Odpowiedzialnością | MIXER DRUM OF A CONCRETE MIXER TRUCK WITH A CAPACITY OF 12 m3 |
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Open date: 20090826 |