CN101294366A - Screw blade, feed divider having the screw blade and spreader thereof - Google Patents
Screw blade, feed divider having the screw blade and spreader thereof Download PDFInfo
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- CN101294366A CN101294366A CNA2008101110179A CN200810111017A CN101294366A CN 101294366 A CN101294366 A CN 101294366A CN A2008101110179 A CNA2008101110179 A CN A2008101110179A CN 200810111017 A CN200810111017 A CN 200810111017A CN 101294366 A CN101294366 A CN 101294366A
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- dextrorotation
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Abstract
The invention discloses a helical vane used in the feed divider of a spreading machine, the helical vane comprises a first group of vanes and a second group of vanes, each group of vanes has at least two oppositely rotated vanes, the first group of vanes is arranged on a vane shaft on the left side of a feed dividing box, and the second group of vanes is arranged on a vane shaft on the right side of the feed dividing box; a phase difference is formed between the oppositely rotated vanes of the first group of vanes; a phase difference is also formed between the oppositely rotated vanes of the second group of vanes; the first group of vanes comprises a first left-lateral vane and a first right-lateral vane; the second group of vanes comprises a second right-lateral vane and a second left-lateral vane; the first left-lateral vane and the second right-lateral vane are arranged respectively adjacent to the left and the right sides of the feed dividing box; as the oppositely rotated vanes of each group can carry out feed dividing to the two sides of the feed dividing box, and simultaneously the feed dividing also can be carried out to the bottom of the feed dividing box, thereby avoiding the isolation problem caused by the too concentrating of the coarse aggregates at the bottom part of the feed dividing box.
Description
Technical field
The present invention relates to a kind of helical blade of feeding-distribution device of paver; The present invention also relates to a kind of feeding-distribution device and paver with described helical blade simultaneously.
Background technology
In the construction and maintenance processes of highway and urban road, generally adopted pitch or concrete spreader road pavement to implement pitch or the concrete work that paves both at home and abroad, because the structure design of paver feeding-distribution device and the problem of sub-material method, and cause paver in the work of paving, can cause the segregation problem on road surface, have a strong impact on the quality on road surface.
The segregation problem on road surface is the inhomogeneous of compound main character in a certain zone of the face of showing the way, thereby has quickened the infringement on road surface.Compound causes the coarse-fine aggregate skewness of compound in paving process, thereby produces segregation.
The void content on the local road surface that coarse aggregate is comparatively concentrated is big, bitumen content is low, causes the road surface to produce the damage by water evil and durability reduces, thereby produces fatigue crack, hole, hole and other harm such as peel off; The void content on the regional road surface that fines is comparatively concentrated is little, bitumen content is big, is easy to generate harm such as rut, bellding.
As shown in Figure 1, at present, the helical blade of paver feeding-distribution device commonly used comprises dextrorotation blade 21a that is installed in distribution box 1a left side and the left-handed blade 22a that is installed in distribution box 1a right side.
When paver was worked, dextrorotation blade 21a rotation drove compound to the left side of distribution box 1a sub-material, and simultaneously, left-handed blade 22a rotation drives compound to the right side of distribution box 1a sub-material.
As can be seen, dextrorotation blade 21a and left-handed blade 22a can not be to the bottom of distribution box 1a sub-materials, thereby, the compound of distribution box 1a bottom mainly rolls by compound self and fills, because coarse aggregate is stronger than the roll capability of fines, thereby distribution box 1a bottom great majority are coarse aggregate, coarse aggregate concentrates on the bottom of distribution box 1a, and coarse aggregate concentrated caused the segregation band A (among Fig. 1 shown in the regional A) of distribution box 1a bottom.
And, because dextrorotation blade 21a and left-handed blade 22a are constantly to the both sides of distribution box 1a sub-material, dextrorotation blade 21a constantly rotates, and to distribution box 1a left side sub-material (direction shown in the arrow C 1 among Fig. 1), the right part of the dextrorotation blade 21a of rotation can produce groove D1 on the road surface.Equally, left-handed blade 22a constantly rotates, and to distribution box 1a right side sub-material (direction shown in the arrow C 2 among Fig. 1), left-handed blade 22a also can produce groove D2 on the road surface, and the generation of groove also can cause the problem of segregation, influences the quality on road surface.
Summary of the invention
At the problems referred to above, the technical problem that the present invention solves is that a kind of helical blade is provided, and this helical blade is applied on the feeding-distribution device of paver, can avoid producing when pitch paves the problem of segregation.
Helical blade provided by the invention comprises first group of blade and second group of blade, every group of blade has at least two blades that rotation direction is opposite, described first group of blade installation is on the sharf in distribution box left side, and described second group of blade installation is on the sharf on distribution box right side;
Has phase difference between the opposite blade of rotation direction in described first group of blade; Has phase difference between the opposite blade of rotation direction in described second group of blade.
Preferably, described first group of blade specifically comprises the first left-handed blade and the first dextrorotation blade; Described second group of blade specifically comprises the second dextrorotation blade and the second left-handed blade;
The described first left-handed blade and the second dextrorotation blade are respectively adjacent to the left and right sides of distribution box and arrange, the left part of the right part of the described first dextrorotation blade and the described first left-handed blade is the camber line transition, and the left part of the right part of the described second left-handed blade and the described second dextrorotation blade is the camber line transition.
Preferably, the right part of the left part of the described first left-handed blade and the described first dextrorotation blade has lap; The left part of the right part of the described second dextrorotation blade and the described second left-handed blade has lap.
Preferably, the phase difference of the described first left-handed blade and the described first dextrorotation blade is 150 °～210 °; The phase difference of described second dextrorotation blade and the described second left-handed blade is 150 °～210 °.
Preferably, the phase difference of the described first left-handed blade and the described first dextrorotation blade is 150 °～210 °.
Preferably, the phase difference of described second dextrorotation blade and the described second left-handed blade is 150 °～210 °.
Feeding-distribution device provided by the invention comprises distribution box, and this feeding-distribution device is equipped with summary of the invention of the present invention and the described helical blade of preferred embodiment.
Paver provided by the invention, this paver are equipped with summary of the invention of the present invention and the described helical blade of preferred embodiment.
With comparing of prior art, helical blade provided by the invention comprises first group of blade and second group of blade, every group of blade has at least two blades that rotation direction is opposite, because every group of opposite blade of rotation direction can be in the time of the sub-material of distribution box both sides, also can be to the bottom of distribution box sub-material, thereby avoid the coarse aggregate of distribution box bottom too to concentrate and the segregation problem that causes.
And, owing to have phase difference between the opposite blade of every group of rotation direction, can fill the groove that forms each other mutually, and then the road surface of avoiding paving produces groove, prevent that the road surface from producing the segregation problem.
Description of drawings
Fig. 1 is the structural representation of the helical blade of feeding-distribution device in the prior art;
Fig. 2 is the structural representation of a kind of specific embodiment of helical blade of the present invention;
Fig. 3 is the front view of a kind of specific embodiment of feeding-distribution device of the present invention;
Fig. 4 is the vertical view of the feeding-distribution device among Fig. 3;
Fig. 5 is the left view of the feeding-distribution device among Fig. 3;
Fig. 6 is the structural representation of a kind of specific embodiment of paver of the present invention.
The specific embodiment
In order to make those skilled in the art better understand technical scheme of the present invention, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
With reference to figure 2, Fig. 2 is the structural representation of a kind of specific embodiment of helical blade of the present invention.
As shown in Figure 2, the helical blade that present embodiment provides specifically comprises first group of blade and second group of blade, first group of blade comprises that the first dextrorotation blade 21 on the sharf that is installed in distribution box 1 left side and 31, the second groups of blades of the first left-handed blade comprise the second dextrorotation blade 32 and the second left-handed blade 22 on the sharf that is installed in distribution box 1 right side.
The first left-handed blade 31 adjacent sub hoppers, 1 left side is arranged, the right part of the first dextrorotation blade 21 is connected with the left part of the first left-handed blade 31 and has the camber line transition, and the first dextrorotation blade 21 can be determined according to the paving width demand of reality along the axial length of blade.
The second dextrorotation blade, 32 adjacent sub hoppers, 1 right side arranges, the left part of the second left-handed blade 22 is connected with the right part of the second dextrorotation blade 32 and has the camber line transition, and the second dextrorotation blade 32 can be definite according to the paving width demand of reality along the axial length of sharf.
The first dextrorotation blade 21 and the first left-handed blade 31 have phase difference, and same, the second left-handed blade 22 and the second dextrorotation blade 32 have phase difference, and this phase difference value can be taken as 150 °～210 °.
The left part of the right part of the first dextrorotation blade 21 and the first left-handed blade 31 has lap, and same, the right part of the left part of the second left-handed blade 22 and the second dextrorotation blade 32 has lap.
The helical blade that specifying present embodiment below provides is applied in the working condition on the paver feeding-distribution device:
As shown in Figure 2, in the present embodiment, the phase difference of the first dextrorotation blade 21 and the first left-handed blade 31 is specially 180 °.
When sharf changes, 21 rotations of the first dextrorotation blade, drive compound to the left side of distribution box 1 flow (among Fig. 2 shown in arrow E 1 direction), first left-handed blade 31 rotations simultaneously, drive compound to the bottom of distribution box 1 flow (among Fig. 2 shown in the arrow F1 direction), equally, the second left-handed blade 22 rotates, drive compound and flow (among Fig. 2 shown in arrow E 2 directions) to the right side of distribution box 1, the second dextrorotation blade 32 drives compounds to the bottom of distribution box 1 flow (among Fig. 2 shown in the arrow F2 direction) simultaneously.
From the sub-material process of above-mentioned helical blade as can be seen, the first dextrorotation blade 21 and the second left-handed blade 22 are simultaneously to the both sides of distribution box 1 sub-material; And the first left-handed blade 31 and the second dextrorotation blade 32 are simultaneously to the bottom of distribution box 1 sub-material, because the first left-handed blade 31 and the second dextrorotation blade 32 are to the bottom of distribution box 1 sub-material, thereby make the compound of distribution box 1 bottom be evenly distributed, and then avoided distribution box 1 bottom to produce the problem of segregation band.
The first dextrorotation blade 21 and the first left-handed blade 31 with distribution box 1 left side is example below, and how the helical blade that analyzing present embodiment provides avoids the generation of groove.
When the first dextrorotation blade 21 is in lower half, compound is to the left side of distribution box 1 flow (among Fig. 2 shown in arrow E 1 direction), simultaneously, the rotation sub-material of the right part of the first dextrorotation blade 21 produces groove (reason as described in the background art) inevitably on the compound that paves, behind sharf Rotate 180 degree, the first dextrorotation blade 21 has forwarded upper half to, and this moment, the first left-handed blade 31 was in lower half.
Because the first dextrorotation blade 21 and the first left-handed blade 31 have lap on the direction axial along sharf, the first left-handed blade, 31 left parts are positioned at the left side of the right part of the first dextrorotation blade 21, and because the first left-handed blade 31 is opposite with the rotation direction of the first dextrorotation blade 21, the materials flow direction that the first left-handed blade 31 produces is towards distribution box 1 (among Fig. 2 shown in the arrow F1), so when the first left-handed blade 31 is in lower half, the groove that the first dextrorotation blade 21 produces before this can be filled and led up to the compound that distribution box 1 direction flows.
Simultaneously, the first left-handed blade 31 can also form groove inevitably in its right part.When sharf again behind the Rotate 180 degree, the first dextrorotation blade 21 has arrived lower half again, based on above-mentioned principle, the first dextrorotation blade 21 is filled and led up the groove that the first left-handed blade, 31 left parts form again, as seen, the two first dextrorotation blades 21 and the first left-handed blade 31 are filled and led up the groove that the other side forms mutually, similar mutual stirring, thus solved the problem that helical blade produces groove effectively.
In like manner, the second left-handed blade 22 and the second dextrorotation blade 32 also have the above-mentioned functions effect, are not giving unnecessary details at this.
With reference to figure 3, Fig. 3 is the structural representation of a kind of specific embodiment of feeding-distribution device of the present invention, simultaneously with reference to figure 4 and Fig. 5.
Shown in Fig. 3-5, feeding-distribution device provided by the invention comprises distribution box 1, first hydraulic motor 61, second hydraulic motor 62, sharf 4, first mounting 51 and second mounting 52, and feeding-distribution device provided by the invention also comprises the described helical blade of first embodiment of the invention.
First hydraulic motor 61 and second hydraulic motor 62 are installed in the left and right sides on distribution box 1 top respectively, the lower end of distribution box 1 and sharf 4 flexibly connect, and the first dextrorotation blade, 21, first left-handed blade 31, the second left-handed blade 22 and the second dextrorotation blade 32 are installed on the sharf 4.The first dextrorotation blade 21 and the first left-handed blade 31 are installed in the left side of distribution box 1, and the second left-handed blade 22 and the second dextrorotation blade 32 are installed in the right side of distribution box 1.
First mounting 51 and second mounting 52 flexibly connect respectively at the two ends of sharf 4, and first mounting 51 and second mounting 52 are by being bolted to the main frame front portion of paver.
First hydraulic motor 61 and 62 rotations of second hydraulic motor drive the sprocket wheel rotation in the distribution box 1, sprocket wheel rotates by the sprocket wheel that chain drives on the sharf, and then power transmission shaft rotation, and then the sharf 4 that drive is connected with distribution box 1 one ends rotates, the rotation of sharf 4 drives the first dextrorotation blade, 21, first left-handed blade 31, the second left-handed blade 22 and the second dextrorotation blade 32 rotates simultaneously, the first left-handed blade 31 and the second dextrorotation blade 32 are to the bottom of distribution box 1 sub-material, and the first dextrorotation blade 21 and the second left-handed blade 22 are to the both sides of distribution box 1 sub-material.
Because the helical blade that the feeding-distribution device that present embodiment provides has adopted first embodiment of the invention to provide, thereby, in the work of paving, can avoid the problem of aggregate skewness and groove effectively, thereby solve road surface segregation problem.
With reference to figure 6, Fig. 6 is the structural representation of a kind of specific embodiment of paver of the present invention.
As shown in Figure 6, the paver that present embodiment provides is the crawler type paver, comprises hopper 8 and feeding-distribution device 9, and this feeding-distribution device 9 is equipped with the described helical blade of first embodiment of the invention.
In the present embodiment, dumper is poured over compound in the hopper 8 of this paver, the compound in the hopper 8 is transported to the feeding-distribution device 9 that is arranged in the paver front end by scraping plate conveying device (not shown in the accompanying drawing 6).
Set suitable paving thickness, the helical blade rotation in the feeding-distribution device 9, paver at the uniform velocity moves forward simultaneously, helical blade is spread the horizontal sub-material of compound out, with compound ram-jolt, reaches desirable compactness by vibrator, screed is finished paving operation with the compound ironing that spreads out.
Because the paver that present embodiment provides uses the described helical blade of first embodiment of the invention, thereby when paving, can avoid the generation of road surface segregation and groove problem effectively.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. helical blade that is used for the paver feeding-distribution device, it is characterized in that, comprise first group of blade and second group of blade, every group of blade has at least two blades that rotation direction is opposite, described first group of blade installation is on the sharf in distribution box left side, and described second group of blade installation is on the sharf on distribution box right side;
Has phase difference between the opposite blade of rotation direction in described first group of blade; Has phase difference between the opposite blade of rotation direction in described second group of blade.
2. helical blade according to claim 1 is characterized in that, described first group of blade specifically comprises the first left-handed blade and the first dextrorotation blade; Described second group of blade specifically comprises the second dextrorotation blade and the second left-handed blade;
The described first left-handed blade and the second dextrorotation blade are respectively adjacent to the left and right sides of distribution box and arrange, the left part of the right part of the described first dextrorotation blade and the described first left-handed blade is the camber line transition, and the left part of the right part of the described second left-handed blade and the described second dextrorotation blade is the camber line transition.
3. helical blade according to claim 2 is characterized in that, the right part of the left part of the described first left-handed blade and the described first dextrorotation blade has lap; The left part of the right part of the described second dextrorotation blade and the described second left-handed blade has lap.
4. helical blade according to claim 2 is characterized in that, the phase difference of the described first left-handed blade and the described first dextrorotation blade is 150 °～210 °; The phase difference of described second dextrorotation blade and the described second left-handed blade is 150 °～210 °.
5. helical blade according to claim 3 is characterized in that, the phase difference of the described first left-handed blade and the described first dextrorotation blade is 150 °～210 °; The phase difference of described second dextrorotation blade and the described second left-handed blade is 150 °～210 °.
6. helical blade according to claim 2 is characterized in that, the phase difference of the described first left-handed blade and the described first dextrorotation blade is 150 °～210 °.
7. helical blade according to claim 3 is characterized in that, the phase difference of the described first left-handed blade and the described first dextrorotation blade is 150 °～210 °.
8. helical blade according to claim 2 is characterized in that, the phase difference of described second dextrorotation blade and the described second left-handed blade is 150 °～210 °.
9. a feeding-distribution device comprises distribution box, it is characterized in that, this feeding-distribution device is equipped with each described helical blade of claim 1-8.
10. a paver is characterized in that, this paver is equipped with each described helical blade of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101110179A CN101294366B (en) | 2008-05-29 | 2008-05-29 | Screw blade, feed divider having the screw blade and spreader thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101110179A CN101294366B (en) | 2008-05-29 | 2008-05-29 | Screw blade, feed divider having the screw blade and spreader thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101294366A true CN101294366A (en) | 2008-10-29 |
| CN101294366B CN101294366B (en) | 2010-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101110179A Active CN101294366B (en) | 2008-05-29 | 2008-05-29 | Screw blade, feed divider having the screw blade and spreader thereof |
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| CN (1) | CN101294366B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015058515A1 (en) * | 2013-10-21 | 2015-04-30 | 戴纳派克（中国）压实摊铺设备有限公司 | Anti-segregation auger distributor and paver |
| CN108195645A (en) * | 2017-12-28 | 2018-06-22 | 山东交通学院 | For the micro-surface area lying device and operating method of rotary type road surface accelerated loading rut test piece |
| CN110468660A (en) * | 2019-08-13 | 2019-11-19 | 天津工程机械研究院有限公司 | The anti-isolation stock guide structure of paver screw material-distributing chain-wheel box and paver |
| CN111549618A (en) * | 2020-05-18 | 2020-08-18 | 江苏集萃道路工程技术与装备研究所有限公司 | Separating and collecting device for on-site remixer |
| CN116334988A (en) * | 2023-02-28 | 2023-06-27 | 徐工集团工程机械股份有限公司道路机械分公司 | Paver feed divider system and paver |
-
2008
- 2008-05-29 CN CN2008101110179A patent/CN101294366B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015058515A1 (en) * | 2013-10-21 | 2015-04-30 | 戴纳派克（中国）压实摊铺设备有限公司 | Anti-segregation auger distributor and paver |
| CN108195645A (en) * | 2017-12-28 | 2018-06-22 | 山东交通学院 | For the micro-surface area lying device and operating method of rotary type road surface accelerated loading rut test piece |
| CN110468660A (en) * | 2019-08-13 | 2019-11-19 | 天津工程机械研究院有限公司 | The anti-isolation stock guide structure of paver screw material-distributing chain-wheel box and paver |
| CN111549618A (en) * | 2020-05-18 | 2020-08-18 | 江苏集萃道路工程技术与装备研究所有限公司 | Separating and collecting device for on-site remixer |
| CN116334988A (en) * | 2023-02-28 | 2023-06-27 | 徐工集团工程机械股份有限公司道路机械分公司 | Paver feed divider system and paver |
| CN116334988B (en) * | 2023-02-28 | 2023-10-13 | 徐工集团工程机械股份有限公司道路机械分公司 | Paver feed divider system and paver |
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| Publication number | Publication date |
|---|---|
| CN101294366B (en) | 2010-06-30 |
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Assignee: Hunan Sany Road Machinery Co., Ltd. Assignor: Sanyi Heavy Industry Co., Ltd. Contract record no.: 2011430000061 Denomination of invention: Screw blade, feed divider having the screw blade and spreader thereof Granted publication date: 20100630 License type: Exclusive License Open date: 20081029 Record date: 20110503 |
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Effective date of registration: 20151223 Address after: 413000 Yiyang high tech Zone in the eastern part of the New District of integrated services building, Room 502, Hunan Patentee after: Yiyang science and Technology Achievement Transformation Service Center Patentee after: Sanyi Heavy Industry Co., Ltd. Address before: 410100 Changsha economic and Technological Development Zone, Hunan City, the 31 industrial city Patentee before: Sanyi Heavy Industry Co., Ltd. |