CN2413888Y - Reinforced agitator for concrete - Google Patents
Reinforced agitator for concrete Download PDFInfo
- Publication number
- CN2413888Y CN2413888Y CN 99234885 CN99234885U CN2413888Y CN 2413888 Y CN2413888 Y CN 2413888Y CN 99234885 CN99234885 CN 99234885 CN 99234885 U CN99234885 U CN 99234885U CN 2413888 Y CN2413888 Y CN 2413888Y
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- CN
- China
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- degree
- eccentric shaft
- bearing
- stirring vane
- depth vibrator
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Abstract
The utility model relates to a reinforced stirrer for concrete. The utility model is composed of a power mechanism, a driving mechanism, and a stirring mechanism. The utility model is characterized in that the interior of a stirring barrel is provided with a depth vibration exciter; the depth vibration exciter is in drive connection with the power mechanism; the stirring blades are in drive connection with the power mechanism through a speed reduction and drive mechanism; the depth vibration exciter is composed of an eccentric shaft, a balance weight block, a shell body and a bearing; the eccentric shaft is sheathed with the bearing, and is fixed with the balance weight block; the shell body is connected with the eccentric shaft through the bearing. The utility model has the advantages of good stirring quality, high productivity, low cost, and energy saving.
Description
The utility model relates to a kind of concrete reinforcement agitating device.
At present, concrete intensifying method have physics, the chemistry with machinery etc.The intensifying method of chemistry mainly is to use additive, has obtained using widely.The mechanical enhancer method mainly is to improve the mechanism of Mixing Machine, the application of new stirring theory etc.In three kinds of intensifying methods, the intensifying method of machinery is most economical.Existing widely used concrete central mix plant is a static action, and the reinforcing degree of whipping process is subjected to the restriction of rotating speed.By to continuous concrete oscillating mixer Primary Study, when finding ready-mixed concrete, because this stirring has only single vibration force effect, mixing quality does not guarantee that productivity ratio is too low again, does not have the engineering practical value.
It is good that the purpose of this utility model provides a kind of mixing quality, the productivity ratio height, and cost is low, saves the concrete of the energy and strengthens agitating device.
The technical solution of the utility model is: design a kind of concrete reinforcement agitating device, it comprises actuating unit, transmission mechanism, and rabbling mechanism is formed, and it is characterized in that being installed with in the mixing drum degree of depth vibrator; Degree of depth vibrator and actuating unit are in transmission connection.
Described stirring vane is in transmission connection by reduction gearing mechanism and actuating unit.Described degree of depth vibrator includes eccentric shaft, and counterweight block, housing, bearing are formed, and are with bearing on the eccentric shaft and are fixed with counterweight block, and housing is connected on the eccentric shaft by bearing.The normal of described stirring vane end face and the folded acute angle of stirring vane fixed axis center line are 40 °～50 °.The linear velocity of described stirring vane can be chosen in 0.2～0.5m/s, and the vibration acceleration of degree of depth vibrator can be chosen in 10～30g.Described degree of depth vibrator continuous vibration brief acceleration can be chosen in 10～25g.
Characteristics of the present utility model are: degree of depth vibrator is installed in the middle of the forced stirrer stirring vane, the eccentric shaft of degree of depth vibrator has carried out the dynamic balancing design by mechanics principle, when the low speed rotation stirring vane is pushed compound to degree of depth vibrator housing, because the vibration acceleration of degree of depth vibrator housing can reach 10g～25g, therefore under strong vibration wave effect, viscous force between each composition of concrete greatly descends when only being forced stirring action, the continuous propelling movement of stirring vane makes the extremely low compound of viscosity in the circulation movement process, laborsaving and mixed and stirred uniformly with saving time.This pressure is stirred and the vibration activation matches, and has guaranteed quality of concrete.Evidence, when match ratio was constant, concrete strength generally will strengthen 20%～35%.The degree of depth vibrator of particular design had both guaranteed need of work, and enough service life and reliability are arranged again; It does not need any damper mechanism, and is simple in structure; Its work is not stirred the influence of medium, working stability.Effectively mixing time shortens, and when other condition is constant, can shorten half mixing time, has improved single productivity.Because effectively mixing time is short, and it is little to stir resistance, although increased degree of depth vibrator, energy consumption reduces about 30% than the common mixer of same productivity ratio.Because the vibration activation can be saved cement about 20% or pitch about 6% under the prerequisite that guarantees concrete strength.Simultaneously can stir materials such as dry concrete (RCC), fiber concrete, bituminous concrete.
The utility model is described in further detail below in conjunction with the embodiment accompanying drawing.
Among the figure: 1. reduction gearing mechanism, 2. driving shaft, 3. charging aperture, 4. mixing drum, 5. stirring vane, 6. degree of depth vibrator, 7. discharge port, 8. eccentric shaft, 9. bearing, 10. counterweight block, 11. housings.
Concrete reinforcement agitating device, by actuating unit, transmission mechanism, driving shaft 2, stirring vane 5, mixing drum 4, reduction gearing mechanism 1, charging aperture 3, discharge port 7, degree of depth vibrator 6 formations such as grade are installed with degree of depth vibrator 6 in the mixing drum 4; Degree of depth vibrator 6 is in transmission connection with actuating unit.Stirring vane 5 is in transmission connection by reduction gearing mechanism 1 and actuating unit.Degree of depth vibrator 6 is by eccentric shaft 8, compositions such as counterweight block 10, housing 11, bearing 9, and eccentric shaft 8 is fixedlyed connected with driving shaft 2, is with bearing 9 on the eccentric shaft 8 and is fixed with counterweight block 10, and housing 11 is connected on the eccentric shaft 8 by bearing 9.The normal of stirring vane 5 end faces and the folded sharp angle of stirring vane 5 fixed axis center lines are 45 ° of established angles, and compound is pushed towards degree of depth vibrator housing 11 directions.The linear velocity of stirring vane 5 is 0.3m/s, and the vibration acceleration of degree of depth vibrator is 20g.The dynamic load that degree of depth vibrator 6 acts on the driving shaft 2 is come balance by counterweight block 10.Therefore, the eccentric shaft 8 that satisfies the dynamic balancing condition is not subjected to vibration effect, need not adopt vibration reducing measure.But the synchronous vibration with eccentric shaft 8 rotations of degree of depth vibrator housing 11, vibrational energy is directly absorbed by compound, and its viscous force is descended greatly, is the energy-efficient condition created of mixing thoroughly.In addition and since compound be subjected to the vibration effect after viscous force descend, for preventing the segregation of compound, the rotating speed of stirring vane 5 should be at half approximately than common forced stirrer, is about 0.2～0.5m/s.
Power divides the two-way transmission.One the tunnel directly passes to degree of depth vibrator driving shaft 2, and stirring vane 5 is passed to after slowing down in another road.When stirring vane 5 slowly ran, the material that enters mixing drum 4 was stirred the housing 11 that blade 5 is pushed degree of depth vibrator 6 to.Degree of depth vibrator 6 is inserted in the compound, the upper end eccentric amount e of degree of depth vibrator 6 eccentric shafts 8
1Little, and eccentric shaft 8 lower end eccentric amount es
2Greatly, the dynamic equilibrium effect of the counterweight block 10 that in addition is installed on it, so eccentric shaft 8 rotation and not vibrating at a high speed, but the eccentric shaft Final 8 compels the vibration of degree of depth vibrator housing 11 luffings.Consider the service life of the bearing 9 of supporting eccentric shaft 8, the vibration acceleration of general controlling depth vibrator housing 11 is 10～25g.After stirring vane 5 constantly is pushed to degree of depth vibrator housing 11 with compound, be subjected to so big vibration effect, because the variation of concrete structure one rheology characteristic, stagnant viscous force descends greatly, the macroscopic convection of compound and microcosmic be in conjunction with all very carrying out under the advantageous conditions, thereby during joint and energy-conservation the concrete of having mixed homogeneous.
Claims (6)
1. concrete reinforcement agitating device, it comprises actuating unit, transmission mechanism, rabbling mechanism is formed, and it is characterized in that being installed with in the mixing drum degree of depth vibrator; Degree of depth vibrator and actuating unit are in transmission connection.
2. concrete reinforcement agitating device according to claim 1, it is characterized in that: described stirring vane is in transmission connection by reduction gearing mechanism and actuating unit.
3. concrete reinforcement agitating device according to claim 1, it is characterized in that: described degree of depth vibrator includes eccentric shaft, counterweight block, housing, bearing are formed, and are with bearing on the eccentric shaft and are fixed with counterweight block, and housing is connected on the eccentric shaft by bearing.
4. concrete reinforcement agitating device according to claim 1 is characterized in that: the normal of described stirring vane end face and the folded acute angle of stirring vane fixed axis center line are 40 °～50 °.
5. concrete reinforcement agitating device according to claim 1, it is characterized in that: the linear velocity of described stirring vane can be chosen in 0.2～0.5m/s, and the vibration acceleration of degree of depth vibrator can be chosen in 10～30g.
6. concrete reinforcement agitating device according to claim 1 is characterized in that: described degree of depth vibrator continuous vibration brief acceleration can be chosen in 10～25g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99234885 CN2413888Y (en) | 1999-08-17 | 1999-08-17 | Reinforced agitator for concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99234885 CN2413888Y (en) | 1999-08-17 | 1999-08-17 | Reinforced agitator for concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2413888Y true CN2413888Y (en) | 2001-01-10 |
Family
ID=34022942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99234885 Expired - Fee Related CN2413888Y (en) | 1999-08-17 | 1999-08-17 | Reinforced agitator for concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2413888Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100346950C (en) * | 2003-11-21 | 2007-11-07 | 长安大学 | Method for designing vibration exciter for construction machinery |
| CN102449478A (en) * | 2009-03-27 | 2012-05-09 | 威瑞飞有限责任公司 | Mixer waveform analysis for monitoring and controlling concrete |
| CN102493312A (en) * | 2011-11-14 | 2012-06-13 | 余金全 | Asphalt recovery coating vibration reciprocating blender and asphalt coating process thereof |
| CN101795837B (en) * | 2007-06-19 | 2012-11-14 | Rs解决方案有限责任公司 | Method and system for calculating and reporting slump in delivery vehicles |
| CN102975287A (en) * | 2012-12-28 | 2013-03-20 | 长安大学 | Planetary concrete 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 |
| CN107139337A (en) * | 2017-06-14 | 2017-09-08 | 长安大学 | A kind of vertical shaft type dither mixer |
| CN107322809A (en) * | 2017-08-02 | 2017-11-07 | 长安大学 | A kind of forced action type oscillating mixer of hollow agitating shaft continuous vibration |
| CN108481550A (en) * | 2018-03-22 | 2018-09-04 | 长沙理工大学 | The stirring means and UHPC mixtures of UHPC |
-
1999
- 1999-08-17 CN CN 99234885 patent/CN2413888Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100346950C (en) * | 2003-11-21 | 2007-11-07 | 长安大学 | Method for designing vibration exciter for construction machinery |
| CN101795837B (en) * | 2007-06-19 | 2012-11-14 | Rs解决方案有限责任公司 | Method and system for calculating and reporting slump in delivery vehicles |
| CN102449478A (en) * | 2009-03-27 | 2012-05-09 | 威瑞飞有限责任公司 | Mixer waveform analysis for monitoring and controlling concrete |
| CN102493312A (en) * | 2011-11-14 | 2012-06-13 | 余金全 | Asphalt recovery coating vibration reciprocating blender and asphalt coating process thereof |
| CN102493312B (en) * | 2011-11-14 | 2014-06-18 | 余金全 | Asphalt recovery coating process |
| CN102975287A (en) * | 2012-12-28 | 2013-03-20 | 长安大学 | Planetary concrete 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 |
| CN107139337A (en) * | 2017-06-14 | 2017-09-08 | 长安大学 | A kind of vertical shaft type dither mixer |
| CN107322809A (en) * | 2017-08-02 | 2017-11-07 | 长安大学 | A kind of forced action type oscillating mixer of hollow agitating shaft continuous vibration |
| CN108481550A (en) * | 2018-03-22 | 2018-09-04 | 长沙理工大学 | The stirring means and UHPC mixtures of UHPC |
| CN108481550B (en) * | 2018-03-22 | 2021-10-01 | 长沙理工大学 | UHPC stirring method and UHPC mixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |