CN1618590A - Design method of stirring device capable of eliminating stirring low-efficiency area - Google Patents

Design method of stirring device capable of eliminating stirring low-efficiency area Download PDF

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Publication number
CN1618590A
CN1618590A CN200310105952.1A CN200310105952A CN1618590A CN 1618590 A CN1618590 A CN 1618590A CN 200310105952 A CN200310105952 A CN 200310105952A CN 1618590 A CN1618590 A CN 1618590A
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China
Prior art keywords
stirring
little
big
stirring vane
shaft
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CN200310105952.1A
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CN100346949C (en
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冯忠绪
赵利军
姚运仕
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Detong Intelligent Technology Co ltd
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冯忠绪
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Publication of CN100346949C publication Critical patent/CN100346949C/en
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  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)

Abstract

The invention relates to a design method of a stirring device for buildings, in particular to a design method of a stirring device capable of eliminating a stirring low-efficiency area, which is suitable for a forced concrete mixer and is characterized in that: the stirring device comprises a large stirring arm connected with a large stirring blade, a small stirring arm connected with a small stirring blade and a stirring shaft fixedly connected, wherein the large stirring blade and the small stirring blade are respectively provided with a radial installation angle and an axial installation angle, and are respectively and fixedly connected on the large stirring arm and the small stirring arm which are coaxially and fixedly connected on the two sides of the stirring shaft. The design method of the stirring device capable of eliminating the stirring low-efficiency area can eliminate the stirring low-efficiency area in the stirring drum of the stirring machine and ensure that materials in the space of the whole stirring drum can be stirred more fully.

Description

Stirring device designing method capable of eliminating low effect stirring region
Affiliated technical field
The present invention relates to a kind of agitating device method for designing, particularly stirring device designing method capable of eliminating low effect stirring region for building, it is applicable to forced concrete mixer.
Background technology
In this known class mixer, one group of big stirring vane near the mixing drum inwall is only arranged, be fixedly connected on the shaft according to certain rules.Along with the continuous expansion of project scale, the increase day by day of concrete demand, mixer develops to big capacity and high production rate direction.For these jumbo mixers, the radius size of mixing drum is more a lot of greatly than the height of stirring vane, so during mixer work, stirring vane can only stir one deck material near the mixing drum inwall, the bed of material is high in blades height, and the material that is in the very big segment distance between stirring vane and the shaft can't well be stirred.Simultaneously, because speed and mixing drum radius that material is forced to stir are proportional, therefore exist velocity gradient along the mixing drum radial direction, promptly successively decrease from the mixing drum inwall to shaft along mixing drum radial direction mixing speed, near the place of shaft, mixing speed is just low more, also with regard to easy more mixing inefficient zone even the dead band of occurring.The capacity of mixer is big more, and this problem is just outstanding more, and the concrete quality that stirs out is also just poor more.
Summary of the invention
In order to overcome the deficiency of existing forced mixer, the purpose of this invention is to provide a kind of stirring device designing method capable of eliminating low effect stirring region, it can eliminate the mixing inefficient zone in the mixer mixing drum, guarantees that the material in the whole mixing drum space can both obtain stirring more fully.
Technical scheme of the present invention is: design a kind of stirring device designing method capable of eliminating low effect stirring region, it is characterized in that: agitating device is fixedlyed connected with shaft by the big mixing arm that is connected with big stirring vane, the little mixing arm that is connected with little stirring vane and is constituted, large and small stirring vane all has radial and axial setting angle, and large and small mixing arm coaxial line is fixedly connected on the shaft both sides.
The unilateral angle with big mixing arm axis of big paddle is the radially established angle of big stirring vane, and it is chosen in 30 °～60 °; The vertical line of big mixing arm axis and the angle of shaft axis are the axial established angles of big stirring vane, get 30 °～60 °.
The angle of the unilateral and little mixing arm axis of little paddle is the radially established angle of little stirring vane, and it is chosen in 30 °～60 °.
The angle of the vertical line of little mixing arm axis and shaft axis is the axial established angle of little stirring vane, is chosen in 30 °～60 °.
Described big stirring vane from the distance of shaft greater than the distance of little stirring vane from shaft.
The unilateral normal direction of the unilateral normal direction of described big paddle and little paddle is opposite.
Characteristics of the present invention are: agitating device increases little stirring vane, and large and small stirring vane relative fixed is connected the shaft both sides, and large and small stirring vane all has radial and axial setting angle, and the unilateral normal direction of large and small paddle is opposite.When shaft rotates by a certain fixedly rotation direction, greatly, little stirring vane can resolve into separately peripheral force to the thrust of material, axial force and radial load, greatly, the peripheral force effect of little stirring vane will promote material respectively and move in a circle, greatly, the responsive to axial force of little stirring vane will promote material and do relative axially-movable, greatly, the radial load effect of little stirring vane will promote material and do relative radial motion, thereby make material form strong convective motion, guarantee that the material in the whole mixing drum space has all obtained fully mixing and stirring near the material of mixing an inwall and close shaft.The agitating device of this particular design has increased the radially convective motion of material, has not only effectively eliminated mixing inefficient zone, has improved mixing quality, but also has alleviated the wearing and tearing of mixing drum liner plate and stirring vane.Evidence, constant when match ratio, concrete strength generally will strengthen about 5%, and the mixer capacity is big more, and the effect of this enhancing is remarkable more.
In addition, in order to reduce cost, apply, the radially setting angle of the large and small stirring vane of agitating device of the present invention can be taken as zero.Can adopt the agitating device of original forced mixer like this, a relative side that only needs original stirring vane is installed at shaft increases a little stirring vane, and the unilateral normal direction of little paddle is with the unilateral normal direction of paddle is opposite greatly accordingly.Though weakened the radially convective motion of material, compared with prior art, still can eliminate mixing inefficient zone preferably, improve the concrete quality of mixing and stirring, and the part increase is few, cost is low.
Description of drawings
Following accompanying drawing has been described the embodiment of agitating device of the present invention.
Fig. 1 is the structure chart of embodiment 1.
Fig. 2 is the structural front view of embodiment 1.
Fig. 3 is the structure side view of embodiment 1.
Fig. 4 is the twin-shaft mixer structural representation of embodiment 2.
Among the figure: 1, big stirring vane; 2, big mixing arm; 3, shaft; 4, little stirring vane; 5, little mixing arm; 6, mixing drum; 7, side stirring vane; 8, side mixing arm; 9, motor; 10, sychronisation; 11, axle head bracing or strutting arrangement.
The specific embodiment
Embodiment 1 is as shown in Figure 1: agitating device is by big stirring vane 1, big mixing arm 2, and shaft 3, little stirring vane 4 and little mixing arm 5 are formed.Big mixing arm 1 is fixedly connected on shaft 3 both sides with little mixing arm 2 coaxial lines.Big stirring vane 1 is fixedly connected on the big mixing arm 2,1 angle with big mixing arm 2 axis of big stirring vane is the radially established angle of big stirring vane 1, get 30 °～60 °, the vertical line of big mixing arm 2 axis and the angle of shaft 3 axis are the axial established angle of big stirring vane 1 in 1 of the big stirring vane, get 30 °～60 °.Little stirring vane 4 is fixedly connected on the little mixing arm 5,4 angles with little mixing arm 5 axis of little stirring vane are radially established angle of little stirring vane 4, get 30 °～60 °, the vertical line of little mixing arm 5 axis and the angle of shaft 3 axis are the axial established angle of little stirring vane 4 in 4 of the little stirring vanes, get 30 °～60 °.
As shown in Figures 2 and 3: the normal that big stirring vane is 1 is opposite with the normal direction of 4 of little stirring vanes.When shaft 3 when the ω direction is rotated, big stirring vane 1 will promote material X vertically 1Direction, radially Y 1Direction and circumferential Z 1The direction motion, little stirring vane 4 will promote material X vertically 2Direction, radially Y 2Direction and circumferential Z 2The direction motion, thus make material form strong convective motion near the material of mixing an inwall and close shaft, effectively eliminated mixing inefficient zone, improved concrete mixing quality.
Embodiment 2 is as shown in Figure 4: twin-shaft mixer is made up of mixing drum 6, motor 9, sychronisation 10, axle head bracing or strutting arrangement 11 and agitating device, wherein agitating device is by big stirring vane 1, big mixing arm 2, shaft 3, little stirring vane 4, little mixing arm 5, side stirring vane 7 and side mixing arm 8 are formed.The shaft 3 that is arranged in parallel is fixedly connected on the mixing drum 6 by axle head bracing or strutting arrangement 11, and shaft 3 is in transmission connection with motor 9, has sychronisation 10 to be in transmission connection between the shaft 3.Side mixing arm 8 and big mixing arm 2 are fixedly connected on the shaft 3 by the helical arrangement form, and side mixing arm 8 is fixedly connected on the two ends of shaft 3 near mixing drum 5 ends, and big mixing arm 1 and little mixing arm 2 coaxial lines are fixedly connected on the both sides of shaft 3.Side stirring vane 7 is with 45 ° of axial established angles, 0 ° radially established angle be fixedly connected on the side mixing arm 8; Big stirring vane 1 is with 45 ° of axial established angles, 45 ° radially established angle be fixedly connected on the big mixing arm 2; Little stirring vane 4 is with 45 ° of axial established angles, 45 ° radially established angle be fixedly connected on the little mixing arm 5.The normal direction that side stirring vane on every shaft is 7 is along the projection of shaft axis mixing drum 6 end faces dorsad, the normal direction that big stirring vane on two shafts is 1 is along the both direction of the projection directed in opposite of its shaft axis, and the normal direction that the little stirring vane on every shaft is 1 is opposite with the normal direction of 4 of big stirring vanes.During mixer work, driven by motor shaft 3 rotates in opposite directions, and material circulates in mixing drum 6 along the E direction under the promotion of side stirring vane 7 and big stirring vane 1.On every shaft, under the promotion of big stirring vane 1 and little stirring vane 4,, effectively eliminated mixing inefficient zone simultaneously, improved mixing quality near the material of mixing drum inwall and the strong convective motion of material of close shaft.

Claims (6)

1, stirring device designing method capable of eliminating low effect stirring region, it is characterized in that: agitating device is fixedlyed connected with shaft by the big mixing arm that is connected with big stirring vane, the little mixing arm that is connected with little stirring vane and is constituted, large and small stirring vane all has radial and axial setting angle, be fixedly connected on respectively on the large and small mixing arm, large and small mixing arm coaxial line is fixedly connected on the shaft both sides.
2, stirring device designing method capable of eliminating low effect stirring region according to claim 1 is characterized in that: the unilateral angle with big mixing arm axis of big paddle is the radially established angle of big stirring vane, and it is chosen in 30 °～60 °; The vertical line of big mixing arm axis and the angle of shaft axis are the axial established angles of big stirring vane, get 30 °～60 °.
3, stirring device designing method capable of eliminating low effect stirring region according to claim 1 is characterized in that: the angle of the unilateral and little mixing arm axis of little paddle is the radially established angle of little stirring vane, and it is chosen in 30 °～60 °.
4, stirring device designing method capable of eliminating low effect stirring region according to claim 1 is characterized in that: the angle of the vertical line of little mixing arm axis and shaft axis is the axial established angle of little stirring vane, is chosen in 30 °～60 °.
5, stirring device designing method capable of eliminating low effect stirring region according to claim 1 is characterized in that: described big stirring vane from the distance of shaft greater than the distance of little stirring vane from shaft.
6, stirring device designing method capable of eliminating low effect stirring region according to claim 1 is characterized in that: the unilateral normal direction of the unilateral normal direction of described big paddle and little paddle is opposite.
CNB2003101059521A 2003-11-21 2003-11-21 Design method of stirring device capable of eliminating stirring low-efficiency area Expired - Fee Related CN100346949C (en)

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CNB2003101059521A CN100346949C (en) 2003-11-21 2003-11-21 Design method of stirring device capable of eliminating stirring low-efficiency area

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Application Number Priority Date Filing Date Title
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CN100346949C CN100346949C (en) 2007-11-07

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103963164A (en) * 2014-04-24 2014-08-06 吴静 Cement mixer
CN105459263A (en) * 2015-12-31 2016-04-06 长安大学 Double-horizontal-shaft vibrating and stirring device with main blades and auxiliary blades
CN105538508A (en) * 2016-03-10 2016-05-04 李�杰 Concrete stirring device and stirring method thereof
CN105597585A (en) * 2016-01-14 2016-05-25 长安大学 Continuous double-horizontal-shaft stirring device improvable in stirring effect of central stirring zone
CN106042176A (en) * 2016-07-05 2016-10-26 河南省高远公路养护技术有限公司 High-speed concrete stirring device
CN107899449A (en) * 2017-12-22 2018-04-13 新乡市恒星科技有限责任公司 A kind of LUBRICATING GREASES mixing plant
CN109382934A (en) * 2017-08-10 2019-02-26 安丘市云科机械有限公司 A kind of fast changeable control flows to stirrer gear
CN114102859A (en) * 2020-08-31 2022-03-01 广东博智林机器人有限公司 Stirring device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2060388U (en) * 1990-01-10 1990-08-15 水利电力部杭州机械设计研究所 Stirring device of split agitator
JP4009665B2 (en) * 1997-12-03 2007-11-21 増雄 和泉 Stirrer blade for concrete mixer
CN2499204Y (en) * 2001-10-19 2002-07-10 天津鼎盛工程机械有限公司 New stirring shaft structure for stabilizing soil stirring equipment

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103963164A (en) * 2014-04-24 2014-08-06 吴静 Cement mixer
CN105459263A (en) * 2015-12-31 2016-04-06 长安大学 Double-horizontal-shaft vibrating and stirring device with main blades and auxiliary blades
CN105597585A (en) * 2016-01-14 2016-05-25 长安大学 Continuous double-horizontal-shaft stirring device improvable in stirring effect of central stirring zone
CN105538508A (en) * 2016-03-10 2016-05-04 李�杰 Concrete stirring device and stirring method thereof
CN106042176A (en) * 2016-07-05 2016-10-26 河南省高远公路养护技术有限公司 High-speed concrete stirring device
CN106042176B (en) * 2016-07-05 2018-03-02 河南省高远公路养护技术有限公司 A kind of concrete high-speed stirring apparatus
CN109382934A (en) * 2017-08-10 2019-02-26 安丘市云科机械有限公司 A kind of fast changeable control flows to stirrer gear
CN107899449A (en) * 2017-12-22 2018-04-13 新乡市恒星科技有限责任公司 A kind of LUBRICATING GREASES mixing plant
CN114102859A (en) * 2020-08-31 2022-03-01 广东博智林机器人有限公司 Stirring device

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Assignee: FANGYUAN GROUP HAIYANG LIFTING MACHINERY Co.,Ltd.

Assignor: CHANG'AN University

Contract fulfillment period: 2007.12.1 to 2023.11.20

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Denomination of invention: Stirring device designing method capable of eliminating low effect stirring region

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Denomination of invention: Stirring device designing method capable of eliminating low effect stirring region

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Address after: 461000 southeast corner of Longxiang Road and Chenzhuang Street intersection in Xuchang City, Henan Province

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Address after: 461000 southeast corner of Longxiang Road and Chenzhuang Street intersection in Xuchang City, Henan Province

Patentee after: Xuchang Detong vibration mixing technology Co.,Ltd.

Address before: 461000 southeast corner of Longxiang Road and Chenzhuang Street intersection in Xuchang City, Henan Province

Patentee before: XUCHANG DETONG VIBRATORY MIXING TECHNOLOGY Co.,Ltd.

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Address after: 461000 southeast corner of Longxiang Road and Chenzhuang Street intersection in Xuchang City, Henan Province

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Granted publication date: 20071107