CN211848742U - Stirring blade and spiral combined stirring and conveying device for spreading machine - Google Patents
Stirring blade and spiral combined stirring and conveying device for spreading machine Download PDFInfo
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- CN211848742U CN211848742U CN202020143070.3U CN202020143070U CN211848742U CN 211848742 U CN211848742 U CN 211848742U CN 202020143070 U CN202020143070 U CN 202020143070U CN 211848742 U CN211848742 U CN 211848742U
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- 238000003756 stirring Methods 0.000 title claims abstract description 116
- 238000003892 spreading Methods 0.000 title claims description 11
- 230000007480 spreading Effects 0.000 title claims description 11
- 239000000463 material Substances 0.000 claims abstract description 66
- 238000009826 distribution Methods 0.000 claims description 23
- 238000005520 cutting process Methods 0.000 claims description 9
- 230000001154 acute effect Effects 0.000 claims description 4
- 244000062793 Sorghum vulgare Species 0.000 claims 2
- 235000019713 millet Nutrition 0.000 claims 2
- 238000005204 segregation Methods 0.000 abstract description 12
- 238000010276 construction Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 6
- 239000000178 monomer Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 238000009827 uniform distribution Methods 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The utility model provides a stirring vane and spiral combination formula stirring feeding device for paver mainly includes the blade axle that the cover was equipped with helical blade, and a plurality of stirring tooth is installed to the epaxial detachably of blade, and all stirring teeth are the helix around the blade axle and distribute, and the helix that stirring tooth place helix and helical blade place helix form to the same double helix line. When the material was stirred in the operation of combination formula stirring feeding device, stirring tooth and helical blade were rotatory along with the blade axle jointly, formed double helix, and intensive mixing cuts the material, avoids piling up because of the not material that the mix can't arrive the position and arouse. The stirring teeth are additionally arranged at the intermittent positions of the intermittent distributed spiral blades, and when the spiral blades rotate, the stirring teeth rotate simultaneously, so that end material stacking can be reduced, the flowability of materials is increased, segregation is reduced, and the material conveying moving capacity of the combined stirring and material conveying device can be reduced.
Description
Technical Field
The utility model belongs to the technical field of paver equipment, concretely relates to stirring vane and spiral combination formula stirring feeding device for paver.
Background
In road construction in China, cement concrete and asphalt concrete are main materials for road surface construction, and different raw materials are mixed according to a specified proportion to produce a mixture meeting quality requirements. Both the stabilized soil base layer and the high-grade asphalt surface layer of the road have high requirements on the uniformity of the mixture. For an asphalt surface layer, the uneven distribution of coarse and fine aggregates in the mixture can cause the diseases of surface layer oil bleeding, rutting, peeling and the like; for a stabilized soil base, the uneven distribution of the aggregate can cause insufficient strength of the base, and reflection cracks appear, so that the service performance of the pavement is reduced, and the service life of the pavement is shortened.
The paver can effectively reduce aggregate segregation, and the spiral feeding device is the essential element that reduces aggregate segregation, and it is located the host computer at the back, and on the paver was marchd to both sides reposition of redundant personnel and is carried the width of paving, at the in-process that paves, it is full to bury the spiral to need the material, must not have intermittent phenomenon, and then makes the silo at full width within range evenly distributed, prevents that the segregation of material from influencing construction quality.
At present, the spiral conveying devices used by the paver are divided into two types, one type is a continuous spiral conveying device which is a continuous spiral line consisting of continuous blades, however, in practical construction application, the conveying amount is difficult to control due to the continuous spiral line conveying mode, and the conveying size can only be controlled by controlling the rotating speed of the spiral shaft, so that the problem that the whole distribution of materials is uneven, and a large amount of materials are accumulated in the middle and at two ends of a material groove is avoided, as shown in figure 1; in addition, the spiral line of the discontinuous spiral distributing device is broken, as shown in the attached drawing 2, the accumulation degree during spiral rotation can be reduced, however, although the spiral conveying capacity is reduced and the accumulation during spiral rotation is reduced, the materials at the vacant positions do not creep and are easy to solidify and agglomerate, so that segregation is caused, and the pavement construction quality is influenced.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a stirring blade and spiral combined stirring and conveying device for a paver, which aims to solve the problem of uneven material piling and distribution at the end part of a continuous spiral conveying device; the second purpose is to solve the problem that the discontinuous part of the discontinuous spiral distributing device has poor material flowability and is easy to agglomerate.
In order to solve the technical problem, the utility model provides a stirring vane and spiral combination formula stirring feeding device for paver, including the blade axle that the cover was equipped with helical blade at least, a plurality of stirring tooth is installed to the epaxial detachably of blade, and all stirring teeth are the helix around the blade axle and distribute, and the helix that stirring tooth place helix and helical blade place helix form to the same double helix.
Furthermore, the helical blades sleeved on the blade shaft are continuously distributed helical blades, the continuously distributed helical blades are divided into a circle according to every 360-degree rotation, each circle of blades is provided with two valleys distributed on two sides of the blade shaft, and each valley is vertically opposite to each stirring tooth relative to the blade shaft.
Preferably, the helical blades sleeved on the blade shaft are discontinuously distributed helical blades, and the intermittent part between every two adjacent discontinuously distributed helical blades is provided with stirring teeth.
Furthermore, the stirring teeth comprise half tiles, the inner surfaces of the half tiles are buckled on the blade shafts, a plurality of racks are arranged on the outer surfaces of the half tiles, one end of each rack is fixedly connected to the outer surfaces of the half tiles, and the other end of each rack is a free end for stirring and cutting materials.
Preferably, the end face of the rack connected with the outer surface of the half tile is a plane or an arc-shaped face, the plane or the arc-shaped face is tangent to the outer surface of the half tile, an included angle is formed between the tangent plane and the axial center line of the blade shaft, and the included angles on the same blade shaft are the same.
Furthermore, the half tile is a half tubular structure which is formed by splitting the hollow cylindrical body along the axial direction, and the inner surface of the half tile is attached to the shaft wall of the blade shaft; the rack is in a flat plate-shaped structure, and the plane of the plate surface of the rack forms an acute included angle with the axial center line of the blade shaft.
The utility model also provides a paver, this paver is installed the utility model discloses a utility model content and all embodiments paver stirring vane and spiral combination formula stirring feeding device.
Furthermore, a blade shaft of the paver is simultaneously sleeved with a continuous distribution helical blade and an intermittent distribution helical blade.
The utility model has the advantages as follows:
(1) when the material is stirred with the operation of spiral combination formula stirring feeding device to the stirring blade for the spreading machine, stirring tooth forms double helix along with the blade axle rotation with helical blade jointly, intensive mixing and cutting material, avoids piling up because of the not material that the mix can't arrive the position and arouse.
(2) The stirring teeth are additionally arranged at the intermittent positions of the intermittent distributed spiral blades, and when the spiral blades rotate, the stirring teeth rotate simultaneously, so that end material stacking can be reduced, the flowability of materials is increased, segregation is reduced, and the material conveying moving capacity of the spiral material conveying device can be reduced.
(3) The spiral feeding device of the paver is provided with a plurality of sections of continuously distributed spiral blades and a plurality of sections of discontinuously distributed spiral blades simultaneously, the distribution mode can be adjusted, the uniform distribution in the full width direction is ensured, the structural design is simple, the installation and the use are convenient, and the construction requirement is met to improve the pavement paving quality.
In order to make the above and other objects of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
FIG. 1 is a schematic view showing a structure of a continuous screw feeder according to the prior art.
FIG. 2 is a schematic view showing a structure of an intermittent screw feeder according to the prior art.
Fig. 3 is a schematic structural diagram of a combined stirring and conveying device according to a first embodiment.
Fig. 4 is a schematic structural view of a continuously distributed helical blade.
Fig. 5 is a schematic view of the structure of an intermittently distributed helical blade.
Fig. 6 is a schematic view of the configuration of the rabble teeth.
Fig. 7 is a schematic structural view of a paver with a combined stirring and conveying device protected by the present invention.
Description of reference numerals:
1. a blade shaft; 2. a helical blade; 3. stirring teeth; 4. half watt; 5. a rack; 6. a frame; 7. a driver; 8. material preparation; 9. a valley and a peak;
201. continuously distributing helical blades; 202. the helical blades are distributed intermittently.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.
It should be noted that, in the present invention, the upper, lower, left and right in the drawings are regarded as the upper, lower, left and right of the combined stirring and conveying device described in this specification.
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, which, however, may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the invention to those skilled in the art. The terminology used in the exemplary embodiments presented in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
The first embodiment:
the utility model discloses a first embodiment relates to a stirring vane and spiral combination formula stirring feeding device for spreading machine, refers to fig. 3, and including the blade axle 1 that the cover was equipped with helical blade 2 at least, a plurality of stirring tooth 3 is installed to detachably on the blade axle 1, and all stirring teeth 3 are the helix around blade axle 1 and distribute, and the helix that 3 places of stirring tooth forms the spiral to the same double helix line with helical blade 2 places helix.
The spiral conveying device has various structures, and the embodiment cannot describe all the structures, so one structure is selected, that is, taking the structure shown in fig. 3 as an example, the combined stirring and conveying device has two-way output shafts, one of the output shafts is coaxially connected with a left-handed blade shaft, the other output shaft is coaxially connected with a right-handed blade shaft, that is, the two blade shafts rotate in opposite directions, namely clockwise rotation and anticlockwise rotation respectively, each blade shaft 1 is provided with a plurality of stirring teeth 3, the stirring teeth 3 are staggered with the spiral blades 2, when the spiral blades 2 rotate, the stirring teeth 3 rotate along with the spiral blades 2, the spiral blades 2 are used for stirring and conveying materials 8, the materials 8 are easy to accumulate because the spiral blades 2 are fully embedded with the materials 8, uniform distribution in a full width range cannot be realized, and the stirring teeth 3 make up the defect, it is in 2 stirs of helical blade, cuts the mix to material 8 between two adjacent helical blade 2, reduces 8 accumulational emergence of material, and then ensures the evenly distributed of material 8 in full width within range.
It should be noted that, the installation of stirring tooth 3 must form the helix, and the spiral of the helix of stirring tooth 3 is the same with the spiral that helical blade 2 place is to the same, forms double helix promptly, and stirring under the double helix can reduce caking, segregation, stagnation etc. of material 8, and then slows down the defeated material moving power of combination formula stirring feeding device.
Due to the rotation of the blade shaft 1 and the friction of the material 8, the rabble teeth 3 may be worn or even damaged inevitably during long-term operation, so that they need to be replaced, and in order to facilitate replacement or maintenance, the rabble teeth 3 are preferably detachably mounted on the blade shaft 1 in the present embodiment, for example, by screw connection, but not limited thereto, and other detachable connection methods are also possible.
Second embodiment:
in addition to the first embodiment, as shown in fig. 4, the helical blade 2 sleeved on the blade shaft 1 is a continuously distributed helical blade 201, the continuously distributed helical blade 201 is divided into one circle by 360 ° per rotation, each circle of blade has two valleys 9 distributed on both sides of the blade shaft 1, and each valley 9 is vertically opposite to each stirring tooth 3 with respect to the blade shaft 1.
Generally, in the paving process of a paver, the material 8 is required to be fully buried with a spiral without intermittent phenomenon, so that the material troughs are uniformly distributed in the full-width range, and the influence on the construction quality due to the segregation of the material is prevented. However, because the conventional spiral conveying device is a continuous spiral line formed by continuous blades, in practical construction application, the overall distribution of materials is inevitably uneven, so that a large amount of materials are accumulated in the middle and two ends of the trough, as shown in fig. 1.
In order to solve the above problem, referring to fig. 4, the stirring teeth 3 are further installed on the blade shaft 1, specifically, the continuously distributed helical blade 201 is a continuous spiral line composed of continuous blades, the continuously distributed helical blade 201 is divided into one circle by 360 ° per rotation, so that the continuously distributed helical blade 201 is divided into a plurality of circles of connected helical units, each helical unit has two valleys 9 distributed in both sides of the blade shaft 1 in a staggered manner, one stirring tooth 3 is arranged opposite to each valley 9, preferably, each valley 9 is vertically opposite to each stirring tooth 3 with respect to the blade shaft 1, and the design is to make all the stirring teeth 3 form a spiral line, so as to ensure that a double spiral line with the same rotation direction as the spiral line where the continuously distributed helical blade 201 is located is formed.
When the continuously distributed helical blade 201 rotates to stir the materials 8, the stirring teeth 3 rotate in the same direction as the continuously distributed helical blade 201, so that the mixing performance of the materials 8 is improved.
The third embodiment:
in the first embodiment, as shown in fig. 5, the spiral blades 2 fitted around the blade shaft 1 are intermittently distributed spiral blades 202, and the stirring teeth 3 are provided at the intermittent portions between two adjacent intermittently distributed spiral blades 202.
Although the intermittent distribution helical blade 202 can solve the problems of uneven overall distribution of materials and accumulation of a large amount of materials in the middle of the trough and at two ends of the trough existing in the continuous distribution helical blade 201, a new problem is brought at the same time, namely, the materials 8 at the intermittent/vacant positions of the intermittent distribution helical blade 202 are easy to solidify and agglomerate and are not easy to move, and further segregation is caused to influence the pavement construction quality.
Referring to fig. 5, the intermittent distribution helical blade 202 is composed of a plurality of helical single bodies, adjacent helical single bodies are not connected, but have a gap, the stirring teeth 3 are installed at the gap, in order to ensure the formation of a helical line, the adjacent stirring teeth 3 are distributed on two sides of the blade shaft 1 in a staggered manner, and when the intermittent distribution helical blade 202 rotates, the stirring teeth 3 cut the stirring material 8, the fluidity of the material 8 is increased, and the segregation and agglomeration are reduced.
Fourth embodiment:
on the basis of the above embodiment, referring to fig. 6, the stirring teeth 3 include half tiles 4, the inner surfaces of the half tiles 4 are buckled to the blade shaft 1, the outer surfaces of the half tiles 4 are provided with a plurality of racks 5, one end of each rack 5 is fixedly connected to the outer surface of the half tile 4, and the other end is a free end for stirring and cutting the material.
As shown in fig. 6, five racks 5 are provided on the outer surface of the half shell 4, and are distributed on the outer surface of the half shell 4 as shown in fig. 6, and each rack 5 is preferably in a flat plate shape in order to reduce the contact area with the material 8 and to improve the cutting force against the material 8.
Referring to fig. 6, the plate surface of the rack 5 is not perpendicular to the shaft wall of the vane shaft 1, but is obliquely installed on the shaft wall of the vane shaft 1, specifically, the plane of the plate surface of the rack 5 forms an acute angle with the axial center line of the vane shaft 1, and the design is designed to increase the cutting force of the rack 5 and ensure that it can form a spiral line.
Specifically, in order to maintain the original structure of the blade shaft 1 and reduce the modification of the blade shaft 1, the half shoe 4 is selected in the present embodiment, and the half shoe 4 is a half-tubular structure in which a hollow cylindrical body is cut in the axial direction, and the inner surface of the half shoe 4 is attached to the shaft wall of the blade shaft 1, for example, the half shoe 4 is fixed to the shaft wall of the blade shaft 1 by a bolt.
As shown in fig. 6, because the resistance of the material 8 is large, when the rack 5 is used for cutting and stirring the material 8, the rack 5 is subjected to the resistance of the material 8, and may become loose, in order to improve the firmness of the connection between the rack 5 and the half tile 4, the end surface of the rack 5 connected with the half tile 4 is a plane or an arc surface, the plane or the arc surface is tangent to the outer surface of the half tile 4, the tangent plane and the axial center line of the blade shaft 1 form an included angle, and the angles of all the included angles on the same blade shaft 1 are the same.
Fifth embodiment:
the embodiment provides a paver, refer to fig. 7, and include a frame 6, a combined stirring and conveying device is installed in a trough of the frame 6, the combined stirring and conveying device at least includes a driver 7, the driver 7 has symmetrical and coaxial dual output ports, the dual output ports are respectively installed with two blade shafts 1 with the same structure and opposite rotation directions, and a plurality of sections of continuously distributed helical blades 201 or discontinuously distributed helical blades 202 or a combination of the two are distributed on each blade shaft 1.
As shown in fig. 4, the continuous distribution helical blade 201 is divided into one turn at every 360 ° rotation, and each turn of the blade has two valleys 9 distributed on both sides of the blade shaft 1, and each valley 9 is vertically opposed to each agitating tooth 3 with respect to the blade shaft 1. Specifically, the continuously distributed helical blade 201 is a continuous helical line formed by continuous blades, the continuously distributed helical blade 201 is divided into a circle by every 360 degrees of rotation, thus the continuously distributed helical blade 201 is divided into a plurality of circles of connected helical monomers, each helical monomer is provided with two valleys 9 distributed on two sides of the blade shaft 1 in a staggered manner, the opposite surface of each valley 9 is provided with one stirring tooth 3, preferably, each valley 9 is vertically opposite to each stirring tooth 3 relative to the blade shaft 1, and the design aims to enable all the stirring teeth 3 to form a helical line, so that the helical line where the continuously distributed helical blade 201 is located is ensured to form a double helical line with the same rotation direction.
As shown in fig. 5, the helical blades 2 sleeved on the blade shaft 1 are intermittently distributed helical blades 202, and the intermittent part between two adjacent intermittently distributed helical blades 202 is provided with the stirring teeth 3. Intermittent distribution helical blade 202 comprises a plurality of spiral monomer, do not connect between the adjacent spiral monomer, but have the vacancy, installed stirring tooth 3 in the position of this vacancy, in order to ensure to form the helix, adjacent stirring tooth 3 staggered distribution is in the both sides of blade axle 1, when intermittent distribution helical blade 202 was rotatory, stirring tooth 3 cut stirring material 8, increase material 8's mobility, reduced segregation and caking.
Referring to fig. 6, the stirring teeth 3 include half-tiles 4, the inner surfaces of the half-tiles 4 are buckled with the blade shaft 1, the outer surfaces of the half-tiles 4 are provided with a plurality of racks 5, one end of each rack 5 is fixedly connected to the outer surface of the half-tile 4, and the other end is a free end for stirring and cutting materials. The plate surface of the rack 5 is not perpendicular to the shaft wall of the blade shaft 1, but is obliquely arranged on the shaft wall of the blade shaft 1, specifically, the plane of the plate surface of the rack 5 forms an acute included angle with the axial center line of the blade shaft 1, and the design is designed to increase the cutting force of the rack 5 and ensure that the rack can form a spiral line. The half shell 4 is a half-tubular structure obtained by splitting a hollow cylindrical body in the axial direction, and the inner surface thereof is bonded to the axial wall of the blade shaft 1, and the half shell 4 is fixed to the axial wall of the blade shaft 1 by a bolt, for example.
The above is a concrete structure of the combined stirring and conveying device of the paver, as shown in fig. 7, the helical blades 2 on two blade shafts 1 are symmetrically distributed, taking the blade shaft 1 on the right side as an example, the helical blades 201 are continuously distributed, the helical blades 202 are intermittently distributed, and the helical blades 2 without stirring teeth 3 are respectively arranged from left to right, the driver 7 drives the blade shafts 1 to rotate, because more materials 8 are stacked near the driver 7, the helical blades 201 are continuously distributed with intensive stirring teeth 3, and considering the uniformity of spreading the materials 8, the conveying force of the materials 8 is gradually decreased from the center to two sides, so the helical blades 202 are continuously distributed on the blade shaft 1 near the end, and the helical blades 2 without stirring teeth 3 are arranged at the most end.
The combined stirring and conveying device of the paver is provided with a plurality of sections of continuously distributed helical blades and a plurality of sections of discontinuously distributed helical blades, the distribution mode can be adjusted, the uniform distribution in the full width direction is ensured, the structural design is simple, the installation and the use are convenient, and the construction requirement is met to improve the pavement paving quality.
To sum up, the utility model discloses a combination formula stirring feeding device and have device's paver mainly includes the blade axle that the cover was equipped with helical blade, and a plurality of stirring tooth is installed to the epaxial detachably of blade, and all stirring teeth are the helix around the blade axle and distribute, and the helix that stirring tooth place helix and helical blade place helix form to the same double helix. When the material was stirred in the operation of combination formula stirring feeding device, stirring tooth and helical blade were rotatory along with the blade axle jointly, formed double helix, and intensive mixing cuts the material, avoids piling up because of the not material that the mix can't arrive the position and arouse. The stirring teeth are additionally arranged at the intermittent positions of the intermittent distributed spiral blades, and when the spiral blades rotate, the stirring teeth rotate simultaneously, so that end material stacking can be reduced, the flowability of materials is increased, segregation is reduced, and the material conveying moving capacity of the combined stirring and material conveying device can be reduced.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.
Claims (8)
1. The utility model provides a stirring vane and spiral combination formula stirring feeding device for spreading machine, is equipped with blade axle (1) of helical blade (2) including the cover at least, its characterized in that: a plurality of stirring teeth (3) are detachably installed on the blade shaft (1), all the stirring teeth (3) are distributed in a spiral line mode around the blade shaft (1), and the spiral line where the stirring teeth (3) are located and the spiral line where the spiral blades (2) are located form a double spiral line which is the same in the rotating direction.
2. The stirring blade and screw combined stirring and conveying device for the spreading machine according to claim 1, wherein: helical blade (2) that the cover was established on blade axle (1) are distribution helical blade (201) in succession, and distribution helical blade (201) in succession is divided into the round according to every 360 degrees rotations, and every circle blade has two millet peaks (9) of distributing in blade axle (1) both sides, and every millet peak (9) is just right with every stirring tooth (3) about blade axle (1) is perpendicular.
3. The stirring blade and screw combined stirring and conveying device for the spreading machine according to claim 1, wherein: the spiral blades (2) sleeved on the blade shaft (1) are spiral blades (202) distributed discontinuously, and stirring teeth (3) are arranged at the discontinuous positions between every two adjacent spiral blades (202) distributed discontinuously.
4. The stirring blade and screw combined stirring and conveying device for the spreading machine as claimed in claim 1, 2 or 3, wherein: the stirring teeth (3) comprise half tiles (4), the inner surfaces of the half tiles (4) are buckled on the blade shaft (1), the outer surfaces of the half tiles (4) are provided with a plurality of racks (5), one end of each rack (5) is fixedly connected to the outer surface of each half tile (4), and the other end of each rack is a free end for stirring and cutting materials.
5. The stirring blade and screw combined stirring and conveying device for the spreading machine as claimed in claim 4, wherein: the end face of the rack (5) connected with the half tile (4) is a plane or an arc face, the plane or the arc face is tangent to the outer surface of the half tile (4), an included angle is formed between a tangent plane and the axial center line of the blade shaft (1), and the included angles on the same blade shaft (1) are the same.
6. The stirring blade and screw combined stirring and conveying device for the spreading machine as claimed in claim 4, wherein: the half tile (4) is a half-tubular structure which is formed by splitting a hollow cylindrical body along the axial direction, and the inner surface of the half tile is attached to the shaft wall of the blade shaft (1); the rack (5) is of a flat plate-shaped structure, and the plane of the plate surface of the rack forms an acute included angle with the axial center line of the blade shaft (1).
7. A paver, characterized in that: the paver is provided with the stirring blade and spiral combined stirring and conveying device for the paver as defined in any one of claims 1 to 6.
8. The paving machine of claim 7, wherein: a blade shaft (1) of the paver is simultaneously sleeved with a continuous distribution helical blade (201) and an intermittent distribution helical blade (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020143070.3U CN211848742U (en) | 2020-01-21 | 2020-01-21 | Stirring blade and spiral combined stirring and conveying device for spreading machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020143070.3U CN211848742U (en) | 2020-01-21 | 2020-01-21 | Stirring blade and spiral combined stirring and conveying device for spreading machine |
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| CN211848742U true CN211848742U (en) | 2020-11-03 |
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| CN202020143070.3U Active CN211848742U (en) | 2020-01-21 | 2020-01-21 | Stirring blade and spiral combined stirring and conveying device for spreading machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174813A (en) * | 2021-05-07 | 2021-07-27 | 徐工集团工程机械股份有限公司道路机械分公司 | Secondary agitating unit and paver |
| CN114277647A (en) * | 2022-01-14 | 2022-04-05 | 龙建路桥股份有限公司 | Paving equipment for construction of cement stabilized base layer based on road construction |
-
2020
- 2020-01-21 CN CN202020143070.3U patent/CN211848742U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113174813A (en) * | 2021-05-07 | 2021-07-27 | 徐工集团工程机械股份有限公司道路机械分公司 | Secondary agitating unit and paver |
| CN114277647A (en) * | 2022-01-14 | 2022-04-05 | 龙建路桥股份有限公司 | Paving equipment for construction of cement stabilized base layer based on road construction |
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