CN203092763U - Continuous double-horizontal-shaft forced mixer for bituminous concrete - Google Patents
Continuous double-horizontal-shaft forced mixer for bituminous concrete Download PDFInfo
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- CN203092763U CN203092763U CN 201320064333 CN201320064333U CN203092763U CN 203092763 U CN203092763 U CN 203092763U CN 201320064333 CN201320064333 CN 201320064333 CN 201320064333 U CN201320064333 U CN 201320064333U CN 203092763 U CN203092763 U CN 203092763U
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Abstract
The utility model belongs to the technical field of bituminous concrete mixing and specifically relates to a continuous double-horizontal-shaft forced mixer for bituminous concrete. The double-horizontal-shaft forced mixer for bituminous concrete comprises a mixing bowl with a feeding hole and a discharge hole, two mixing shafts arranged in parallel in the mixing bowl, a driving device for driving the mixing shafts to rotate synchronously or in opposite directions, a plurality of groups of mixing units, and a scraping unit, wherein each mixing unit comprises mixing arms oppositely mounted on the mixing shaft and blades mounted on the mixing arm; the blades include a feeding blade and a return blade, and the feeding blade and the return blade are the same in structure and size and opposite in mounting direction; the scraping unit comprises a group of mixing arms arranged opposite and a scraping blade connected to the mixing arms; and the scraping blade forms an acute included angle with the side plate of the mixing cylinder. The yield of the bituminous mixture mixer is from 100 t/h to 1000 t/h.
Description
Technical field
The utility model belongs to bituminous concrete stirring technique field, is specifically related to a kind of bituminous concrete continous way dual horizontal axle forced stirrer.
Background technology
Traditional batch asphalt mixing is dominate still in market, but there is following deficiency in batch asphalt mixing: the one, and the technological process of spice is step, the material times such as existence, has reduced the productivity ratio of equipment; The 2nd, equipment is huge, and inconvenience is installed in transportation, and the transition cycle is long.The 3rd, existing asphalt mixing plant is generally standing posture or the facilities of mix storied building formula of stirring, and manufacturing cost height, complex structure, floor space is big, dismounting is inconvenient, maintenance cost is high.
The compound that the continuous mixer mix goes out has good uniformity, stable working, output is big, fault rate is low, be subjected to human factor to influence characteristics such as little, more helps the Construction Quality Control of advanced road.The continuous stirring mode only is applied on cement stabilized soil at present, and other concrete batch plants stir for batch (-type) in practice substantially.Adopt batch (-type) dual horizontal axle forced stirrer production output maximum also only to be 640t/h at present in the world, the road asphalt concrete stirs and adopts continous way dual horizontal axle forced stirrer still is blank at present.
The utility model content
The utility model provides bituminous concrete continous way dual horizontal axle forced stirrer, it is characterized in that: comprise a mixing bowl, shaft, drive unit, organize agitating unit more and scrape material unit, and described
The two ends of a mixing bowl have charging aperture and discharge port;
Shaft is provided with two, parallel, rotating being installed in a mixing bowl;
Drive unit comprises two shaft-mounted reducing motors that are connected with shaft respectively and the shaft joint that is connected with two shaft-mounted reducing motor inputs, described shaft-mounted reducing motor is connected on the side plate of a mixing bowl feed inlet end and with shaft and is connected, and is used to drive shaft in a mixing bowl inter-sync, reverse rotation;
Agitating unit comprises the opposed mixing arm and the blade that is installed on the mixing arm that is installed on the shaft, form certain included angle between the blade installed surface of mixing arm and the shaft, angle between the adjacent shaft is identical, blade comprises flight blade and returns blade, return blade and be provided with two groups and alternately arrange at interval at least with flight blade, described flight blade with return blade construction, measure-alike, installation direction is opposite;
Scrape material unit and be installed on the shaft away from an end of drive unit, comprise the mixing arm of one group of opposed layout and be connected in scraper blade on the mixing arm, the side plate of scraper blade and a mixing bowl discharge port end forms an acute angle angle.
Further, have first discharge port on the side plate of described a mixing bowl away from drive unit one end, a mixing bowl bottom has second discharge port, and first discharge port is mutually continuous with second discharge port.
Further, the side plate of described a mixing bowl feed inlet end is provided with motor mount, and described reducing motor is shaft-mounted reducing motor, and it is fixed on a mixing bowl by motor mount.
Further, the blade installed surface of shaft and agitating unit mixing arm and the angle of scraping between the scraper blade installed surface of material unit mixing arm are consistent, and this angle is between 35 °-55 °.
Further, the angle between the adjacent shaft of described agitating unit is 90 °, and agitating unit mixing arm and the angle of scraping between the material unit mixing arm are 90 °.
Further, the mixing arm of described agitating unit is provided with a two-way blade installed surface, and blade pass is crossed bolt being installed on the blade installed surface forward or backwards.
Further, time and prescription grating according to required material stops in a mixing bowl are adjusted to 8:2 or 7:3 or 6:4 with flight blade and the ratio of returning blade.Flight blade and the ratio of returning blade are adjusted to 8:2, are suitable for the requirement of mixed material mixing quality using when low; Flight blade and the ratio of returning blade are adjusted to 7:3, are suitable for the requirement of mixed material mixing quality using when popular; Flight blade and the ratio of returning blade are adjusted to 6:4, are suitable for the requirement of mixed material mixing quality using when very high.
Further, the described agitating unit and the mixing arm equidistant placement of scraping material unit are on shaft, and shaft is provided with the spacer sleeve that is used to prevent adjacent mixing arm displacement.
Further, the agitating unit interlaced arrangement on described two shafts.
Further, described flight blade all has the blanking through hole with returning on the blade.
Asphalt mixer that the utility model provides adopts continuous grading charging, continuous stirring, a kind of production equipment of discharging continuously to description of the present utility model as can be known by above-mentioned, and its output can easily realize 100t/h-1000t/h.
Drive unit adopts shaft-mounted reducing motor, motor and the design of uni-drive gear box globality, transmission efficiency height, two shafts adopt reductor speed end shaft coupling synchronous, can avoid because the mixing arm that the angular deviation between axle and the axle causes is asynchronous, shaft-mounted reducing motor adopts heavy designs, can play the effect of supporting shaft, need not to increase in addition bearing, mixer compact overall structure, floor space are little.
Mixing arm on the opposed arrangement of mixing arm on the same shaft, the different shaft is staggered, and obtains bigger shearing overlapping region, compares the shaft that single mixing arm is arranged, and stirring efficiency is higher, better quality.The blade that returns that is provided with on the shaft can form and enclose the stream circulation several times and stir stirring inner barrel, has prolonged asphalt mixing the mixing time of cylinder, has guaranteed mixing uniformity.Returning the quantity of blade can regulate according to the prescription grating.Material-dropping hole can effectively reduce contacting of blade and compound in whipping process, reduce blade wear, improve blade service life.The acute angle angle that scraper blade and side plate form is beneficial to discharging.
Stir bottom the cylindrical shell and bottom the side plate and have consecutive first discharging opening and second discharging opening, can accomplish that material is impartial full, can guarantee the continuity of discharging again, do not produce waste material.
Description of drawings
Fig. 1 is the internal structure schematic diagram of bituminous concrete continous way dual horizontal axle forced stirrer.
Fig. 2 is the vertical view of bituminous concrete continous way dual horizontal axle forced stirrer.
Fig. 3 is the left view of bituminous concrete continous way dual horizontal axle forced stirrer.
Fig. 4 is the right view of bituminous concrete continous way dual horizontal axle forced stirrer.
Fig. 5 is the front view of bituminous concrete continous way dual horizontal axle forced stirrer.
Fig. 6 is the topology view of bituminous concrete continous way dual horizontal axle forced stirrer.
Fig. 7 is the profile of bituminous concrete continous way dual horizontal axle forced stirrer.
Fig. 8 is the structural representation of bituminous concrete continous way dual horizontal axle forced stirrer shaft.
The specific embodiment
Below the utility model will be further described by the specific embodiment.
Specific embodiment one:
Referring to figs. 1 through shown in Figure 8, a kind of bituminous concrete continous way dual horizontal axle forced stirrer comprises a mixing bowl 1, shaft 2, drive unit 3, agitating unit 4 and scrapes material unit 5.
A mixing bowl 1 is made up of stirring cylindrical shell 11, cylinder top cover 12, left plate 13, right plate 14, the high order end that stirs the big arc plate in cylindrical shell 11 bottoms has first discharging opening 111, the right-hand member of cylinder top cover 12 has charging aperture 121, left plate 13 bottoms have and first discharging opening, 111 consecutive second discharging openings 131, and right plate 14 is provided with motor mount 141;
Agitating unit 4 comprises mixing arm 41, flight blade 42, returns blade 43 and spacer sleeve 44, be formed with a two-way blade installed surface 411 on the mixing arm 41, but forward is installed flight blade 42 or is oppositely installed and return blade 43, flight blade 42 has material-dropping hole 421,431 with returning on the blade 43, flight blade 42 and the structure of returning blade 43, measure-alike, be installed on the mixing arm 41 blade installed surfaces 411 by bolt, flight blade 42 is opposite with the installation direction that returns blade 43.Per two are equipped with mixing arm 41 symmetries that flight blade 42/ returns blade 42 and are installed in and constitute a stirring group on the shaft 2, shape angle at 45 between the blade installed surface 411 of mixing arm 41 and the shaft 2, between the adjacent stirring group by spacer sleeve 44 equidistant placement and keep 90 ° angle.Be provided with ten stirring groups on the every shaft altogether, wherein flight blade and the ratio of returning blade are adjusted to 7:3 and both seven were assembled with flight blade 42, three and are assembled with and return blade 43, flight blade 42, flight blade 42 are housed from a left side from the right side successively by shaft 2, return blade 43, flight blade 42, flight blade 42, return blade 43, flight blade 42, flight blade 42, flight blade 42, return blade 43; Stirring group interlaced arrangement on two shafts 2 is to obtain bigger shearing overlapping region.This kind flight blade 42 and the arrangement of returning blade 43 are suitable for the mixed material mixing quality is required to use when popular
Scrape material unit 5 and comprise mixing arm 51 and scraper blade 52, be formed with a scraper blade installed surface 511 on the mixing arm 51, between scraper blade installed surface 511 and the shaft shape in angle of 45 degrees, scraper blade 52 is connected on the scraper blade installed surface 511 by bolt and forms an acute angle angle with left plate 13.Two mixing arms 51 are symmetricly set in forms the scraper group on the shaft 2, the scraper group is arranged at the high order end of shaft 2, and the stirring group of scraper group and high order end is kept at a distance by spacer sleeve 44, and keeps 90 ° of angles with this stirring group.
Specific embodiment two: be provided with ten stirring groups on the every shaft altogether, wherein flight blade and the ratio of returning blade are adjusted to 8:2 and both eight were assembled with flight blade, two and are assembled with and return blade, flight blade, flight blade, flight blade are housed from a left side from the right side successively by shaft, return blade, flight blade, flight blade, flight blade, flight blade, flight blade, return blade; Stirring group interlaced arrangement on two shafts 2 is to obtain bigger shearing overlapping region.Remaining component is identical with specific embodiment one, does not repeat them here.For whole mixer, this flight blade and the arrangement of returning blade are suitable for the mixed material mixing quality is required to use when low.
Specific embodiment three: be provided with ten stirring groups on the every shaft altogether, wherein flight blade and the ratio of returning blade are adjusted to 6:4 and both six were assembled with flight blade, four and are assembled with and return blade, flight blade, flight blade are housed from a left side from the right side successively by shaft, return blade, flight blade, flight blade, return blade, flight blade, return blade, flight blade, return blade; Stirring group interlaced arrangement on two shafts 2, identical to obtain bigger shearing overlapping region remaining component with specific embodiment one, do not repeat them here.For whole mixer, this arrangement is suitable for the requirement of mixed material mixing quality using when very high.
Referring to figs. 1 through shown in Figure 8, the workflow of the bituminous concrete continous way dual horizontal axle forced stirrer that specific embodiment one, specific embodiment two, specific embodiment three provide is as follows:
Aggregate and binding material enter a mixing bowl 1 inside by charging aperture 121 and stir, mixing arm 41 on mixing arm 41 opposed arrangements on the same shaft 2, the different shaft is staggered, and obtains bigger shearing overlapping region, the mixing arm 41 of opposed arrangement, stirring efficiency is higher, better quality.What be provided with on the shaft returns blade 43, can enclose the stream circulation several times and stir stirring inner formation of cylindrical shell 11, and circulation has prolonged asphalt mixing the mixing time of cylinder in these, has guaranteed mixing uniformity.Regulate flight blade 42 and the ratio of returning blade 43 according to time and prescription grating that required material stops in mixer.Flight blade 42 and return and have material-dropping hole 421,431 on the blade 43 can effectively reduce blade and contact with concrete in whipping process, reduce blade wear, raising blade service life.Aggregate and binding material move to discharging opening 111,131 directions while stirring by charging aperture 121 in stirring cylindrical shell 11, when moving to the discharging opening place, scraper blade 52 forms an acute angle angle with left plate 13, is beneficial to and will moves to the asphalt discharging that stirs of high order end.When mixing cement Stabilized Soil, can change flight blade 42 into and get final product returning blade 43 as need.
The high order end and left plate 13 bottoms of stirring the big arc plate in cylindrical shell 11 bottoms have consecutive first discharging opening 111 and second discharging opening 131, guarantee continuous discharging.First discharge port, 111 dependence material self gravitations and small part stirring vane are to the thrust discharging of discharging direction; Second discharge port 131 relies on the extruding force of scraper blade 52 that compound is squeezed and stirs cylindrical shell 11, can accomplish that material is impartial full, again can continuous discharge.Discharge port size must be suitable, just can allow the compound of mixing drain fully, is unlikely to vexed pot, also is unlikely to material and also do not stir and just discharged, and produces waste material.The discharge port size computing method has two kinds, and the one, according to aggregate, pitch, powder charging aperture area sum divided by 0.8, promptly obtains the discharge port area; The 2nd, during according to the mixer steady production, the shared radial section of compound amasss, and the discharge port area should be slightly larger than this value.
Above-mentioned only is a specific embodiment of the present utility model, but design concept of the present utility model is not limited thereto, and allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of invading the utility model protection domain.
Claims (10)
1. bituminous concrete continous way dual horizontal axle forced stirrer is characterized in that: comprises a mixing bowl, shaft, drive unit, organizes agitating unit more and scrapes material unit, and described
The two ends of a mixing bowl have charging aperture and discharge port;
Shaft is provided with two, parallel, rotating being installed in a mixing bowl;
Drive unit comprises two shaft-mounted reducing motors that are connected with shaft respectively and the shaft joint that is connected with two shaft-mounted reducing motor inputs, described shaft-mounted reducing motor is connected on the side plate of a mixing bowl feed inlet end and with shaft and is connected, and is used to drive shaft in a mixing bowl inter-sync, reverse rotation;
Agitating unit comprises the opposed mixing arm and the blade that is installed on the mixing arm that is installed on the shaft, form certain included angle between the blade installed surface of mixing arm and the shaft, angle between the adjacent shaft is identical, blade comprises flight blade and returns blade, return blade and be provided with two groups and alternately arrange at interval at least with flight blade, described flight blade with return blade construction, measure-alike, installation direction is opposite;
Scrape material unit and be installed on the shaft away from an end of drive unit, comprise the mixing arm of one group of opposed layout and be connected in scraper blade on the mixing arm, the side plate of scraper blade and a mixing bowl discharge port end forms an acute angle angle.
2. bituminous concrete continous way dual horizontal axle forced stirrer according to claim 1, it is characterized in that: have first discharge port on the side plate of described a mixing bowl away from drive unit one end, the a mixing bowl bottom has second discharge port, and first discharge port is mutually continuous with second discharge port.
3. bituminous concrete continous way dual horizontal axle forced stirrer according to claim 1, it is characterized in that: the side plate of described a mixing bowl feed inlet end is provided with motor mount, described reducing motor is shaft-mounted reducing motor, and it is fixed on a mixing bowl by motor mount.
4. bituminous concrete continous way dual horizontal axle forced stirrer according to claim 1, it is characterized in that: the blade installed surface of shaft and agitating unit mixing arm and the angle of scraping between the scraper blade installed surface of material unit mixing arm are consistent, and this angle is between 35 °-55 °.
5. according to claim 1 or 4 described bituminous concrete continous way dual horizontal axle forced stirrers, it is characterized in that: the angle between the adjacent shaft of described agitating unit is 90 °, and agitating unit mixing arm and the angle of scraping between the material unit mixing arm are 90 °.
6. according to claim 1 or 4 described bituminous concrete continous way dual horizontal axle forced stirrers, it is characterized in that: the mixing arm of described agitating unit is provided with a two-way blade installed surface, and blade pass is crossed bolt being installed on the blade installed surface forward or backwards.
7. bituminous concrete continous way dual horizontal axle forced stirrer according to claim 6 is characterized in that: time and prescription grating according to required material stops in a mixing bowl are adjusted to 8:2 or 7:3 or 6:4 with flight blade and the ratio of returning blade.
8. bituminous concrete continous way dual horizontal axle forced stirrer according to claim 1, it is characterized in that: the described agitating unit and the mixing arm equidistant placement of scraping material unit are on shaft, and shaft is provided with the spacer sleeve that is used to prevent adjacent mixing arm displacement.
9. bituminous concrete continous way dual horizontal axle forced stirrer according to claim 1 is characterized in that: the agitating unit interlaced arrangement on described two shafts.
10. bituminous concrete continous way dual horizontal axle forced stirrer according to claim 1 is characterized in that: described flight blade all has the blanking through hole with returning on the blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320064333 CN203092763U (en) | 2013-02-01 | 2013-02-01 | Continuous double-horizontal-shaft forced mixer for bituminous concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320064333 CN203092763U (en) | 2013-02-01 | 2013-02-01 | Continuous double-horizontal-shaft forced mixer for bituminous concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203092763U true CN203092763U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320064333 Withdrawn - After Issue CN203092763U (en) | 2013-02-01 | 2013-02-01 | Continuous double-horizontal-shaft forced mixer for bituminous concrete |
Country Status (1)
| Country | Link |
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| CN (1) | CN203092763U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128854A (en) * | 2013-02-01 | 2013-06-05 | 福建南方路面机械有限公司 | Continuous double-horizontal-shaft forced mixer for asphalt and concrete |
| CN103406996A (en) * | 2013-09-05 | 2013-11-27 | 吴宇宏 | Dry powder mortar double-barrel automatic stirrer |
| CN104589502A (en) * | 2015-01-23 | 2015-05-06 | 长安大学 | Double-horizontal-shaft continuous stirrer with oppositely arranged inner and outer stirring units |
| CN108031650A (en) * | 2017-11-08 | 2018-05-15 | 包头轻工职业技术学院 | Grain separator |
| CN113442293A (en) * | 2020-03-26 | 2021-09-28 | 山东海力特凯特机械科技有限公司 | Multi-shaft concrete mixer |
-
2013
- 2013-02-01 CN CN 201320064333 patent/CN203092763U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103128854A (en) * | 2013-02-01 | 2013-06-05 | 福建南方路面机械有限公司 | Continuous double-horizontal-shaft forced mixer for asphalt and concrete |
| CN103128854B (en) * | 2013-02-01 | 2016-05-11 | 福建南方路面机械有限公司 | Bituminous concrete continous way Double-horizontal-shaft forced stirrer |
| CN103406996A (en) * | 2013-09-05 | 2013-11-27 | 吴宇宏 | Dry powder mortar double-barrel automatic stirrer |
| CN104589502A (en) * | 2015-01-23 | 2015-05-06 | 长安大学 | Double-horizontal-shaft continuous stirrer with oppositely arranged inner and outer stirring units |
| CN108031650A (en) * | 2017-11-08 | 2018-05-15 | 包头轻工职业技术学院 | Grain separator |
| CN108031650B (en) * | 2017-11-08 | 2019-10-25 | 包头轻工职业技术学院 | Grain separator |
| CN113442293A (en) * | 2020-03-26 | 2021-09-28 | 山东海力特凯特机械科技有限公司 | Multi-shaft concrete mixer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130731 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |