CN2672154Y - Reducing and variable pitch screw material distributor - Google Patents
Reducing and variable pitch screw material distributor Download PDFInfo
- Publication number
- CN2672154Y CN2672154Y CN 200420034851 CN200420034851U CN2672154Y CN 2672154 Y CN2672154 Y CN 2672154Y CN 200420034851 CN200420034851 CN 200420034851 CN 200420034851 U CN200420034851 U CN 200420034851U CN 2672154 Y CN2672154 Y CN 2672154Y
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- CN
- China
- Prior art keywords
- sub
- blade
- material distributing
- pitch
- vanes
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- Expired - Lifetime
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Abstract
The utility model relates to a diameter and pitch changing screw material distributor which comprises a material distributing transmission box, material distributing bearing seats and a material distributing shaft with material distributing vanes, wherein the material distributing transmission box is positioned in the middle of the material distributor; two material distributing bearing seats are symmetrically arranged at both sides of the material distributing transmission box; one end of the material distributing shaft is connected with an output shaft of the material distributing transmission box, and the other end of the material distributing shaft is arranged on the material distributing bearing seats. The utility model is characterized in that the material distributing vanes on the material distributing shaft are arranged in the subsection mode that the diameter and the pitch of the middle vanes are larger than the diameter and the pitch of the vanes at both sides of the material distributor, and the material distributing vanes can be arranged from the large vanes to the small vanes from the middle to both sides of the material distributor in an equidifferent mode. The utility model can ensure the screw material distributor to uniformly deliver mixed materials by changing the diameters of the material distributing vanes in the middle of the material distributor and on the edges of the material distributor and the pitches between the material distributing vanes, and the screw material distributor reduces the damage to the road surfaces in the early stage brought by the uneven compactness of the paving road surfaces and the separation phenomenon, improves the planeness and the quality of the road surfaces which are compacted, and prolongs the service life of the road surfaces.
Description
Technical field:
The utility model relates to the road building machinery field, is specifically related to the improvement of spiral distributor on the asphalt paver.
Background technology:
At present in the bituminous mixture laying process, for bituminous mixture being transported to required paving width, in the paver hopper, adopt the tripper on the helical conveyor to drive sub-material axle, the rotation of sub-material blade, material spreader is transported to far-end by the sub-material blade by the distribution box chain drive.The diameter of the sub-material blade on the whole sub-material axle is consistent with pitch.Because the material spreader of paver is the different multiple aggregate of thickness, breeze, materials such as pitch grating according to a certain percentage also evenly mix, and in the course of conveying of material spreader, compound need be transported to the both sides, road surface, make in the whole hopper and be full of compound, therefore the transportation work amount of being born in the middle part of the tripper will be much larger than the workload on both sides, middle stockpile is higher than the stockpile on both sides, the resistance that the tripper middle part is born is bigger, blade and material, material also is middle much larger than both sides with the extruding force of material, like this, can make feeding inhomogeneous, compound intermediate density in the whole hopper is much larger than the density on both sides, identical owing to whole tripper blade diameter in the feeding process simultaneously with pitch, compound athletic meeting clocklike in course of conveying separates the compound thickness, thereby causes paving concrete pavement to produce the phenomenon that compactness is uneven and emanate.
Summary of the invention:
Technical problem to be solved in the utility model is the defective that overcomes above-mentioned prior art, and a kind of reducing, variable-pitch screw tripper that guarantees evenly to carry compound is provided.
Technical problem of the present utility model is to realize by following technical scheme.It comprises sub-material transmission case, sub-material bearing support and the sub-material axle of sub-material blade is housed, described sub-material transmission case is positioned at the tripper centre position, two sub-material bearing support symmetries are divided into sub-material transmission case both sides, sub-material axle one end links to each other with sub-material transmission case output shaft, the other end is held on the sub-material bearing support, it is characterized in that sub-material blade on the sub-material axle is by the diameter of blade between among the tripper position and blade diameter and the pitch that pitch distributes greater than both sides.The utility model sub-material blade can set up big blade, middle blade and vanelets separately by tripper from the centre to both sides, described big blade diameter is greater than middle blade diameter, middle blade diameter is greater than vanelets, pitch between each big blade is greater than the pitch between the middle blade, and the pitch between the middle blade is greater than the pitch between the vanelets; The diameter of each sub-material blade and spacing are also pressed tripper and are arranged by gradually little greatly equal difference from the centre to both sides.
The utility model passes through to change in the middle of the tripper and sub-material blade diameter on the edge and the pitch between the sub-material blade, can guarantee the even conveying of spiral distributor to compound, thereby the inhomogeneous and segregation phenomenon of the compactness that has effectively reduced paving concrete pavement, improved the planeness after the compacting, having reduced the early stage road surface of bringing because of segregation phenomenon simultaneously damages, thereby improved pavement quality, prolonged service life of road surface.
Description of drawings:
Fig. 1 is the utility model structure embodiment schematic diagram.
Among the figure:
1-sub-material transmission case, 2-sub-material blade, 3-sub-material axle
4-sub-material bearing support 2.1-big blade 2.2-middle blade
2.3-vanelets
The specific embodiment:
As shown in Figure 1, the utility model comprises sub-material transmission case 1, sub-material bearing support 4 and the sub-material axle 3 that sub-material blade 2 is housed, described sub-material transmission case 1 is positioned at the tripper centre position, stirring power can import into by this sub-material transmission case 1, two sub-material bearing supports, 2 symmetries are divided into sub-material transmission case 1 both sides, sub-material axle 3 one ends link to each other with sub-material transmission case 1 output shaft, the other end is held on the sub-material bearing support 2, or aft section is passed through sub-material bearing support 2, sub-material bearing support 2 plays supporting sub-material axle 3, the utility model is according to the compound characteristic distributions, at sub-material transmission case 1, sub-material axle 3, on sub-material bearing support 4 basis of invariable, change the diameter and the pitch of each blade of sub-material blade 2, pressing the tripper position adopts broad in the middle, the distributed architecture of narrowing toward each end, among its sub-material blade 2 between blade diameter and pitch greater than the blade that both sides distribute, promptly be positioned at the diameter of sub-material transmission case 1 both sides sub-material blade 2 and pitch greater than sub-material bearing support 4 other blade diameter and the pitches that distribute.
The utility model sub-material blade 2 can be by the descending segmentation setting from the centre to both sides of tripper 3 positions, can be divided into two sections or three sections, as shown in Figure 1, present embodiment sub-material blade 2 is divided into three sections, be respectively big blade 2.1, middle blade 2.2 and vanelets 2.3, wherein big blade 2.1 diameters are greater than middle blade 2.2 diameters, and middle blade 2.2 diameters are greater than vanelets 2.3, i.e. D1＞D2＞D3; Simultaneously each blade adopts that irregular pitch---middle pitch is big, and the structure that the two ends pitch is little, the pitch between the big blade 2.1 be greater than the pitch between the middle blade 2.2, and the pitch between the middle blade 2.2 is greater than the pitch between the vanelets 2.3, i.e. P1＞P2＞P3.Like this, middle coarse pitch, major diameter sub-material blade 2 can improve conveying capacity, reduce the extruding force of compound and blade, the fine pith on both sides, small diameter blades can increase the extruding force of compound and blade, make the extruding force at middle part consistent, thereby carry compound more equably, and destroy the regular motion in the compound course of conveying with the extruding force trend at edge, effectively compound is stirred, reduce segregation.
The utility model sub-material blade 2 also can adopt another kind of distributed architecture, promptly the diameter of each sub-material blade 2 and spacing press tripper from the centre to both sides by greatly gradually minispread, can adopt the equal difference arrangement mode, make extruding force more even.
Claims (3)
1, a kind of reducing, the variable-pitch screw tripper, it comprises sub-material transmission case (1), sub-material bearing support (4) and the sub-material axle (3) of sub-material blade (2) is housed, described sub-material transmission case (1) is positioned at the tripper centre position, two sub-material bearing support (2) symmetries are divided into sub-material transmission case (1) both sides, sub-material axle (3) one ends link to each other with sub-material transmission case (1) output shaft, the other end is held on the sub-material bearing support (2), it is characterized in that sub-material axle (3) go up sub-material blade (2) press among tripper (3) position between the diameter of blade and pitch greater than the blade diameter and the pitch of both sides distribution.
2, reducing according to claim 1, variable-pitch screw tripper, it is characterized in that sub-material blade (2) sets up big blade (2.1), middle blade (2.2) and vanelets (2.3) separately by tripper from the centre to both sides, described big blade (2.1) diameter is greater than middle blade (2.2) diameter, middle blade (2.2) diameter is greater than vanelets (2.3), pitch between each big blade (2.1) is greater than the pitch between the middle blade (2.2), and the pitch between the middle blade (2.2) is greater than the pitch between the vanelets (2.3).
3, reducing according to claim 1, variable-pitch screw tripper is characterized in that the diameter of each sub-material blade (2) and spacing press tripper and arranged by gradually little greatly equal difference from the centre to both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420034851 CN2672154Y (en) | 2004-01-12 | 2004-01-12 | Reducing and variable pitch screw material distributor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420034851 CN2672154Y (en) | 2004-01-12 | 2004-01-12 | Reducing and variable pitch screw material distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2672154Y true CN2672154Y (en) | 2005-01-19 |
Family
ID=34483862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420034851 Expired - Lifetime CN2672154Y (en) | 2004-01-12 | 2004-01-12 | Reducing and variable pitch screw material distributor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2672154Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102154972A (en) * | 2011-04-25 | 2011-08-17 | 长沙中联重工科技发展股份有限公司 | Spiral joints, main joint segment, spiral material division device for paver and paver |
| CN102534250A (en) * | 2011-12-07 | 2012-07-04 | 上海泰谱信息科技有限公司 | Automatic slag removing machine for metal magnesium reduction jar |
| CN106468044A (en) * | 2016-03-30 | 2017-03-01 | 徐工集团工程机械有限公司 | Material-distributing system and paver |
| CN110158411A (en) * | 2019-04-23 | 2019-08-23 | 四川新筑智能工程装备制造有限公司 | A kind of paver Novel spiral feeding-distribution device |
-
2004
- 2004-01-12 CN CN 200420034851 patent/CN2672154Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102154972A (en) * | 2011-04-25 | 2011-08-17 | 长沙中联重工科技发展股份有限公司 | Spiral joints, main joint segment, spiral material division device for paver and paver |
| CN102534250A (en) * | 2011-12-07 | 2012-07-04 | 上海泰谱信息科技有限公司 | Automatic slag removing machine for metal magnesium reduction jar |
| CN106468044A (en) * | 2016-03-30 | 2017-03-01 | 徐工集团工程机械有限公司 | Material-distributing system and paver |
| CN110158411A (en) * | 2019-04-23 | 2019-08-23 | 四川新筑智能工程装备制造有限公司 | A kind of paver Novel spiral feeding-distribution device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140112 Granted publication date: 20050119 |