CN114622463A - Defoaming all-in-one is laid to pitch - Google Patents
Defoaming all-in-one is laid to pitch Download PDFInfo
- Publication number
- CN114622463A CN114622463A CN202011475620.2A CN202011475620A CN114622463A CN 114622463 A CN114622463 A CN 114622463A CN 202011475620 A CN202011475620 A CN 202011475620A CN 114622463 A CN114622463 A CN 114622463A
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- asphalt
- defoaming
- electric heating
- roller
- die head
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- 239000010426 asphalt Substances 0.000 claims abstract description 359
- 238000005485 electric heating Methods 0.000 claims abstract description 144
- 230000007246 mechanism Effects 0.000 claims abstract description 52
- 238000001125 extrusion Methods 0.000 claims description 91
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 45
- 238000010276 construction Methods 0.000 description 30
- 230000005484 gravity Effects 0.000 description 12
- 230000009471 action Effects 0.000 description 11
- 235000009537 plain noodles Nutrition 0.000 description 10
- 239000003638 chemical reducing agent Substances 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000007704 transition Effects 0.000 description 6
- 238000005056 compaction Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 3
- 230000008602 contraction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/488—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with rollers for consolidating or finishing combined with tamping, vibrating, pressing or smoothing consolidation or finishing means
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/16—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for applying or spreading liquid materials, e.g. bitumen slurries
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses an asphalt laying and defoaming integrated machine which comprises a frame, wherein a wheel assembly is arranged at the bottom end of the frame, an asphalt storage barrel, a wheel driving piece and a defoaming driving piece are arranged on the frame, the wheel driving piece is connected with the wheel assembly, an asphalt laying mechanism is arranged at one end of the frame, the asphalt storage barrel is connected with the asphalt laying mechanism, an electric heating defoaming mechanism is arranged at the other end of the frame, and the defoaming driving piece is connected with the electric heating defoaming mechanism. The invention has the following beneficial effects: after the pitch is laid to the mechanism, carry out the defoaming and fill up the pit after the defoaming through electric heat defoaming mechanism, pitch is laid and the defoaming can go on simultaneously, reduces the manpower demand, reduction in production cost improves production efficiency, and pitch can hardly be attached to on electric heat defoaming mechanism, and practicality and durability are good.
Description
Technical Field
The invention relates to the technical field of road construction, in particular to an asphalt paving and defoaming all-in-one machine.
Background
Asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and non-metallic derivatives thereof, is one of high-viscosity organic liquids, can exist in a liquid or semi-solid petroleum form mostly, the surface is black, and can be dissolved in carbon disulfide and carbon tetrachloride, the asphalt is a waterproof, moistureproof and anticorrosive organic cementing material, and is mainly used for industries such as coating, plastics, rubber and the like, paving road surfaces and the like.
The prior art CN111622476A discloses a self-leveling cement multifunctional construction vehicle, which comprises a main structure, wherein a feeding mechanism and a defoaming mechanism are arranged on the main structure, a plugging plate disclosed by the invention can be moved away to enable a mixture to fall into the ground through a storage vat, and a defoaming roller rotates clockwise to prick the ground, so that air in the mixture can be discharged; smash the frame and reciprocate and to be able to tamp subaerial mixture, it can stir the mixture in the storage vat and prevent the mixture from agglomerating to stir the frame rotation, thereby the change construction stage property that does not need to trade frequently, and then can reduce workman's intensity of labour, can improve the efficiency of laying from leveling, but adopt this kind of defoaming mechanism, pitch can be attached to on the defoaming cylinder gradually after the live time is of a specified duration, the gap between the needle is filled up, can not play the effect of defoaming again, this kind of defoaming mechanism's defoaming effect is poor, and the practicality, the durability is low.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide an all-in-one machine for laying and defoaming asphalt, which comprises a frame, a wheel assembly, an asphalt storage barrel, a wheel driving piece, a defoaming driving piece, an asphalt laying mechanism and an electric heating defoaming mechanism.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a defoaming all-in-one is laid to pitch, includes the frame, the bottom of frame is equipped with the wheel subassembly, be equipped with pitch on the frame and store bucket, wheel driving piece and defoaming driving piece, the wheel driving piece with the wheel subassembly is connected, the one end of frame is equipped with pitch and lays the mechanism, pitch store the bucket with pitch is laid the mechanism and is connected, the other end of frame is equipped with electric heat defoaming mechanism, the defoaming driving piece with electric heat defoaming mechanism connects.
Preferably, the electric heating defoaming mechanism comprises a first connecting rod, a second connecting rod, an electric heating defoaming roller and an electric heating smooth surface roller, one end of the first connecting rod is hinged with the frame, the other end of the first connecting rod is hinged with one end of the second connecting rod, the electric heating defoaming roller is rotationally connected with one end of the second connecting rod, the electric heating smooth surface roller is rotationally connected with the other end of the second connecting rod, the other end of the second connecting rod is far away from the asphalt laying mechanism relative to one end of the second connecting rod, the defoaming driving member is connected with the electric heating defoaming roller, the electric heating defoaming roller is in transmission connection with the electric heating smooth surface roller, and through the arrangement, the wheel driving member drives the wheel assembly to work so as to drive the asphalt laying and defoaming integrated machine to walk, the asphalt laying mechanism lays asphalt on a construction surface, and the asphalt laying and defoaming integrated machine walks along with the asphalt laying and defoaming integrated machine, when the electric heating defoaming roller and the electric heating smooth surface roller pass through asphalt paved on a construction surface, the electric heating defoaming roller and the electric heating smooth surface roller exert downward pressure on the asphalt under the action of gravity, the defoaming driving piece drives the electric heating defoaming roller to rotate, the electric heating defoaming roller drives the electric heating smooth surface roller to rotate to compact the asphalt, the electric heating defoaming roller and the electric heating smooth surface roller generate heat through an internal electric heating rod, the heat transmission of the electric heating defoaming roller is carried out on the asphalt, the bubbles in the asphalt expand and break due to the heat according to the heat expansion and cold contraction, so as to achieve the defoaming effect, pits are generated on the surface of the asphalt after defoaming, the heat generated by the electric heating smooth surface roller is also transmitted to the asphalt, the bubbles in the asphalt are completely eliminated, and the pits generated by the defoaming can be filled up by the electric heating smooth surface roller, the effect of asphalt paving is improved, according to the characteristic of asphalt, the asphalt temperature is higher, and the mobility of asphalt is better, and the stickness of asphalt is lower more, and the temperature and the mobility of asphalt are directly proportional promptly, and the temperature and the stickness of asphalt are inversely proportional, even there is asphalt to be attached to electric heat defoaming roller reaches on the electric heat plain noodles roller, because electric heat defoaming roller reaches the temperature on electric heat plain noodles roller surface is higher, just electric heat defoaming roller reaches electric heat plain noodles roller rotates, and asphalt all breaks away from very easily electric heat defoaming roller reaches electric heat plain noodles roller can not accumulate electric heat defoaming roller reaches on the electric heat plain noodles roller.
Preferably, the bottom of frame still is equipped with the hydraulic pressure bracing piece, the push rod of hydraulic pressure bracing piece is vertical downwards, just the push rod of hydraulic pressure bracing piece with first link is articulated, through setting up like this, works as defoaming all-in-one is laid to pitch under operating condition, the push rod of hydraulic pressure bracing piece moves down and stretches out, to under first link produces decurrent effect, the increase the electric heat defoaming roller produces decurrent effort to pitch, thereby improves the compaction ability of electric heat defoaming roller to pitch, can crush the bubble through extruded auxiliary mode moreover, improves the defoaming effect of electric heat defoaming roller.
Preferably, the bottom of the frame is further provided with a defoaming lifting cylinder, a piston rod of the defoaming lifting cylinder faces downwards vertically, the piston rod of the defoaming lifting cylinder is hinged to the first connecting rod, and through the arrangement, when the integral asphalt paving and defoaming machine is not in a working state, the piston rod of the defoaming lifting cylinder moves upwards and contracts so as to drive the first connecting rod, the second connecting rod, the electric heating defoaming roller and the electric heating plain roller to lift upwards, so that the electric heating defoaming roller and the electric heating plain roller are not abutted to a supporting surface, and damage to the electric heating defoaming roller and the electric heating plain roller when the integral asphalt paving and defoaming machine moves is avoided.
Preferably, the second connecting rod between the electric heating defoaming roller and the electric heating smooth surface roller is provided with a cutter seat, the knife holder is provided with a first scraper and a second scraper, the first scraper is abutted against the peripheral wall of the electric heating defoaming roller, the second scraper is abutted against the peripheral wall of the electric heating smooth surface roller, by the arrangement, the first scraper can scrape the asphalt attached to the peripheral wall of the electric heating defoaming roller, the second scraper can scrape off the asphalt attached on the electric heating smooth surface roller, further ensures that the electric heating defoaming roller and the electric heating smooth surface roller do not have asphalt attached, further improves the practicability and the durability, and increases the asphalt quantity accumulated on the first scraper and the second scraper, the asphalt is dripped downwards under the action of gravity, and the electric heating plain roller is used for flattening and compacting the dripped asphalt, so that the asphalt laying quality is ensured.
Preferably, the top end of the asphalt storage barrel is provided with a feeding hole, the bottom end of the asphalt storage barrel is provided with a discharging hole, the asphalt paving mechanism comprises a feeding pipe and an asphalt extrusion die head, the asphalt extrusion die head is connected with the vehicle frame and is provided with an inlet and an outlet, one end of the feeding pipe is connected with the discharging hole of the asphalt storage barrel, the other end of the feeding pipe is connected with the inlet of the asphalt extrusion die head, the outlet of the asphalt extrusion die head is internally provided with a stop block component, so that asphalt is supplemented into the asphalt storage barrel from the feeding hole at the top end of the asphalt storage barrel, the asphalt in the asphalt storage barrel flows out from the discharging hole and flows into the asphalt extrusion die head under the guiding action of the feeding pipe, and when the asphalt needs to be paved, the stop block component opens the outlet of the asphalt extrusion die head, and under the action of gravity, the asphalt flows out of the outlet of the asphalt extrusion die head and is laid on a construction surface.
Preferably, the distance between the center of the outlet of the asphalt extrusion die head and the axis of the electric heating defoaming roller along the horizontal direction is 1-1.5 meters, so that after asphalt is laid on a construction surface, bubbles can be continuously generated and can be stabilized after a period of time and can not be continuously generated, and the reasonable distance between the asphalt extrusion die head and the electric heating defoaming roller is set, so that the defoaming effect of the asphalt is ensured, and the laying quality of the asphalt is ensured; if the distance between the center of the outlet of the asphalt extrusion die head and the axis of the electric heating defoaming roller along the horizontal direction is less than 1 meter, the distance between the asphalt extrusion die head and the electric heating defoaming roller is too short, the asphalt is paved on the construction surface by the asphalt extrusion die head, when bubbles are continuously generated in the asphalt, the electric heating defoaming roller passes through the asphalt and eliminates the current bubbles, but when the electric heating defoaming roller and the electric heating smooth surface roller are separated, the bubbles are still generated in the asphalt, so that the bubbles still exist in the final asphalt, the defoaming effect is reduced, and the asphalt paving effect is reduced; if the distance between the center of the outlet of the asphalt extrusion die head and the axis of the electric heating defoaming roller along the horizontal direction is more than 1.5 m, the distance between the asphalt extrusion die head and the electric heating defoaming roller is too long, asphalt is laid on the construction surface of the asphalt extrusion die head, when the electric heating defoaming roller passes through the asphalt on the construction surface, the asphalt is cooled and caked, the required time for breaking the bubbles is prolonged by transferring heat through the electric heating defoaming roller and the electric heating plain noodles roller, but because the thickness for laying the asphalt is certain, the moving speed of the integral machine for laying and defoaming the electric heating defoaming roller is certain, namely the time for breaking the bubbles is certain by transferring heat through the electric heating defoaming roller and the electric heating plain noodles roller, so that the defoaming effect is reduced, and the laying quality of the asphalt is reduced.
Preferably, a discharging pipe is arranged between the other end of the feeding pipe and the inlet of the asphalt extrusion die head, the discharging pipe comprises a main pipe and a plurality of branch pipes in different grades, each branch pipe comprises a plurality of branches, one end of the main pipe is connected with the other end of the feeding pipe, the other end of the main pipe is connected with the branch pipe in the highest grade, the branch pipe in the upper grade is connected with the branch pipe in the lower grade, and the branch pipe in the lowest grade is connected with the inlet of the asphalt extrusion die head, so that asphalt enters the discharging pipe from the feeding pipe, sequentially passes through the main pipe and the branch pipes in the plurality of grades in the discharging pipe, is divided under the action of the branch pipes in the plurality of grades, and is ensured to uniformly flow into the asphalt extrusion die head and finally uniformly flow out from the outlet of the asphalt extrusion die head and is paved on a construction surface, thereby improving the uniformity of asphalt pavement and improving the effect of asphalt pavement.
Preferably, the horizontal height of one end of the feeding pipe is higher than the other end of the feeding pipe, a feeding shaft is arranged in the feeding pipe, a spiral blade is arranged on the feeding shaft along the axis direction, an asphalt conveying driving piece is arranged on the feeding pipe and connected with the feeding shaft, and through the arrangement, the feeding pipe is obliquely arranged, so that the flowing speed of asphalt is accelerated under the action of gravity, the conveying efficiency of the asphalt is accelerated, the asphalt conveying driving piece drives the feeding shaft to rotate, the spiral blade is driven to rotate, the flowing speed of the asphalt is further accelerated, the conveying efficiency of the asphalt is further accelerated, the spiral blade has a certain stirring effect on the asphalt, the asphalt is prevented from being precipitated or agglomerated, and the uniformity of the asphalt is improved.
Preferably, the height adjusting assembly is arranged on the frame and connected with the asphalt extrusion die head, and through the arrangement, the height adjusting assembly can adjust the height of the asphalt extrusion die head according to the thickness of asphalt pavement, so that the asphalt pavement effect is improved.
Compared with the prior art, the invention has the beneficial technical effects that:
the wheel driving piece drives the wheel assembly to work, so as to drive the asphalt laying and defoaming all-in-one machine to move, asphalt laying mechanism lays asphalt on the construction surface, along with the movement of the asphalt laying and defoaming all-in-one machine works as when the electrothermal defoaming mechanism lays the asphalt on the construction surface, heat generated by the electrothermal defoaming mechanism is transferred into the asphalt, bubbles in the asphalt are heated to expand and break, the defoaming effect is achieved, and the electrothermal defoaming mechanism has a certain compaction effect on the asphalt, fills up pits after defoaming, so that the asphalt laying and defoaming are simultaneously carried out, the asphalt laying effect is improved, manual follow-up defoaming is not needed, the manpower demand is reduced, the production cost is reduced, the production efficiency is improved, the asphalt can hardly adhere to the electrothermal defoaming mechanism, and the practicability and the durability are good.
Drawings
FIG. 1 is a schematic diagram of an asphalt paving and defoaming all-in-one machine in example 1 of the present invention;
FIG. 2 is an enlarged partial view of section A of FIG. 1 illustrating an embodiment of the present invention;
FIG. 3 is an enlarged partial view of section B of FIG. 1 illustrating an embodiment of the present invention;
FIG. 4 is a schematic representation of the connection of the down tube of example 1 of the present invention to an asphalt extrusion die;
FIG. 5 is a schematic view of an asphalt paint bucket according to an embodiment of the present invention;
FIG. 6 is a schematic representation of a pitch extrusion die of example 2 of the present invention;
FIG. 7 is a schematic isometric view of a first die of example 2 of the present invention;
FIG. 8 is a schematic front view of a first die of example 2 of the present invention;
FIG. 9 is a schematic cross-sectional view C-C of FIG. 8 illustrating an embodiment of the present invention;
fig. 10 is a cross-sectional view of D-D in fig. 8 according to an embodiment of the present invention.
Wherein, the technical characteristics that each reference numeral refers to are as follows:
1. a frame; 2. a wheel assembly; 3. an asphalt storage barrel; 4. a wheel drive; 5. a defoaming drive member; 6. an asphalt laying mechanism; 7. an electric heating defoaming mechanism; 8. an asphalt coating bucket; 31. a feed inlet; 32. a discharge port; 33. a cavity; 34. a top pillar; 41. a first transmission member; 51. a second transmission member; 52. a third transmission member; 61. an asphalt extrusion die head; 62. a feed pipe; 63. a feeding pipe; 64. a height adjustment assembly; 65. a stop block assembly; 66. an asphalt delivery drive member; 67. a feed shaft; 68. A helical blade; 71. a first link; 72. a second link; 73. an electric heating defoaming roller; 74. an electric heating plain roller; 75. a tool apron; 76. a first scraper; 77. a second scraper; 78. a hydraulic support rod; 79. a defoaming lifting cylinder; 81. a barrel body; 82. A barrel cover; 83. a reverse bottom cover; 611. a first die head; 612. a second die head; 613. a main inlet flow channel; 614. a first branched flow channel; 615. a second level branched flow channel; 616. a three-stage branched flow channel; 617. a four-stage branched flow channel; 618. collecting an outlet flow channel; 619. flaring the flow channel; 631. a trunk pipe; 632. a first-stage branch pipe; 633. a secondary branch pipe; 641. a front side plate; 642. a slider; 643. a hand wheel; 644. a screw; 651. a fixed seat; 652. a block cylinder; 653. a crank; 654. A stopper; 6181. a connecting section; 6182. an inclined section; 6183. an outlet section.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following embodiments.
Example 1:
referring to fig. 1-5, the embodiment discloses an asphalt paving and defoaming all-in-one machine, which comprises a frame 1, wherein the frame 1 is a horizontally placed rectangular plate, a wheel assembly 2 is arranged at the bottom end of the frame 1, the wheel assembly 2 comprises a driving wheel assembly and a driven wheel assembly, the driving wheel assembly and the driven wheel assembly are respectively arranged at two sides of the frame 1 along the length direction, the driven wheel assembly comprises a driven support, a driven shaft is arranged in the driven support and is rotatably connected with the driven support, a bearing is arranged between the driven shaft and the driven support for reducing the friction force between the driven shaft and the driven support, driven wheels are respectively sleeved at two ends of the driven shaft, the driven shaft and the driven wheels are fixedly connected through keys, the driving wheel assembly comprises a driving support, a driving shaft is arranged in the driving support and is rotatably connected with the driving support, and a bearing is arranged between the driving shaft and the driving support, the two ends of the driving shaft are provided with driving wheels, the driving shaft is fixedly connected with the driving wheels through keys, the frame 1 is provided with an asphalt storage barrel 3, a wheel driving part 4 and a defoaming driving part 5, the wheel driving part 4 is connected with the wheel assembly 2, the wheel driving part 4 comprises a first speed reducer, a first driving part 41 is arranged between the first speed reducer and the driving shaft, the first speed reducer drives the driving shaft to rotate through the first driving part 41, the driving shaft drives the driving wheels to rotate, and finally drives the asphalt paving and defoaming all-in-one machine to move; in an embodiment, the first transmission member 41 includes a chain assembly, the chain assembly includes a driving sprocket, a driven sprocket and a chain, the driving sprocket is disposed outside an output shaft of the output end of the first speed reducer, the driven sprocket is disposed outside the driving shaft, and the chain is sleeved outside the driving sprocket and the driven sprocket; frame 1 is equipped with pitch laying mechanism 6 along length direction's one end, and in this embodiment, pitch laying mechanism 6 sets up in the one end that is close to initiative wheel subassembly, and pitch storage bucket 3 is connected with pitch laying mechanism 6, and the other end of frame 1 is equipped with electric heat defoaming mechanism 7, and defoaming driving piece 5 is connected with electric heat defoaming mechanism 7.
Wheel driving piece 4 drive wheel subassembly 2 work, thereby it removes to drive pitch laying defoaming all-in-one, pitch laying mechanism 6 lays pitch on the construction face, along with the removal of pitch laying defoaming all-in-one, when electric heat defoaming mechanism 7 when laying the pitch on the construction face, heat transfer that electric heat defoaming mechanism 7 produced is to in the pitch, bubble in the pitch is heated the inflation and is broken, reach the effect of defoaming, and there is certain compaction effect at electric heat defoaming mechanism 7 to pitch, fill out the pit that leaves behind the defoaming, thereby reach pitch laying and defoaming and go on simultaneously, improve the effect that pitch was laid, need not artifical follow-up defoaming, reduce the manpower demand, and reduce manufacturing cost, and improve production efficiency, and pitch can hardly be attached to electric heat defoaming mechanism 7, practicality and durability are good.
The electric heating defoaming mechanism 7 comprises a first connecting rod 71, a second connecting rod 72, an electric heating defoaming roller 73 and an electric heating smooth surface roller 74, the electric heating defoaming roller 73 comprises a roller and an electric heating rod arranged in the roller, the electric heating smooth surface roller 74 comprises a smooth surface roller and an electric heating rod arranged in the smooth surface roller, one end of the first connecting rod 71 is hinged with the frame 1, the other end of the first connecting rod 71 is hinged with one end of the second connecting rod 72, the electric heating defoaming roller 73 is rotationally connected with one end of the second connecting rod 72, the electric heating smooth surface roller 74 is rotationally connected with the other end of the second connecting rod 72, the other end of the second connecting rod 72 is far away from the asphalt laying mechanism 6 relative to one end of the second connecting rod 72, the defoaming driving piece 5 is connected with the electric heating defoaming roller 73, the electric heating defoaming roller 73 is in transmission connection with the electric heating smooth surface roller 74, as further detailed description, the driving piece 5 comprises a second speed reducer, two belt-seat bearings are arranged at the bottom end of the frame 1, two bearings with seats are arranged in parallel at intervals along the width direction of the frame 1, a first rotating shaft is arranged in each bearing with seats, two sides of each first rotating shaft are respectively provided with a first connecting rod 71, the first connecting rods 71 positioned at two sides of each first rotating shaft are arranged in parallel at intervals, one end of each first connecting rod 71 is sleeved outside the first rotating shaft, a second transmission piece 51 is arranged between each second speed reducer and the first rotating shaft, the other end of each first connecting rod 71 is internally provided with a second rotating shaft, two sides of each second rotating shaft are respectively penetrated in the corresponding first connecting rods 71, the second rotating shafts are rotatably connected with the other ends of the corresponding first connecting rods 71, an electric heating defoaming roller 73 is sleeved outside the corresponding second rotating shaft and is fixedly connected with the corresponding second rotating shaft, a third transmission piece 52 is arranged between the corresponding second rotating shaft and the first rotating shaft, two sides of the corresponding second rotating shafts are respectively provided with a second connecting rod 72, and the second connecting rods 72 positioned at two sides of the corresponding second rotating shafts are arranged in parallel at intervals, one end of the second connecting rod 72 is sleeved outside the second rotating shaft, a third rotating shaft is arranged in the other end of the second connecting rod 72, the electric heating smooth surface roller 74 is sleeved outside the third rotating shaft and is fixedly connected with the third rotating shaft, the wheel driving piece 4 drives the wheel assembly 2 to work so as to drive the asphalt laying and defoaming all-in-one machine to walk, the asphalt laying mechanism 6 lays asphalt on a construction surface, the asphalt laying and defoaming all-in-one machine walks along with the asphalt laying and defoaming, when the electric heating defoaming roller 73 and the electric heating smooth surface roller 74 pass through the asphalt laid on the construction surface, the electric heating defoaming roller 73 and the electric heating smooth surface roller 74 exert downward pressure on the asphalt under the action of gravity, the defoaming driving piece 5 drives the electric heating defoaming roller 73 to rotate, the electric heating defoaming roller 73 drives the electric heating smooth surface roller 74 to rotate, the defoaming effect on the asphalt is achieved, and the electric heating roller 73 and the electric heating smooth surface roller 74 generate heat through the internal electric heating rods, the heat transfer of the electric heating defoaming roller 73 is carried out by the asphalt, the heat transfer is kept away according to the expansion and contraction, the bubbles in the asphalt are broken due to the thermal expansion, the defoaming effect is achieved, pits can be generated on the surface of the asphalt after defoaming, the heat generated by the electric heating smooth surface roller 74 is also transferred to the asphalt, the bubbles in the asphalt can be completely eliminated, the electric heating smooth surface roller 74 can fill and level up the pits generated by defoaming of the asphalt, the asphalt laying effect is improved, according to the characteristics of the asphalt, the higher the temperature of the asphalt is, the better the fluidity of the asphalt is, the lower the viscosity of the asphalt is, namely the temperature of the asphalt is in direct proportion to the fluidity, the temperature of the asphalt is in inverse proportion to the viscosity, even if the asphalt is attached to the electric heating defoaming roller 73 and the electric heating smooth surface roller 74, because the temperature of the surfaces of the electric heating defoaming roller 73 and the electric heating smooth surface roller 74 is higher, and the electric heating defoaming roller 73 and the electric heating smooth surface roller 74 rotate, the asphalt is easy to separate from the electric heating defoaming roller 73 and the electric heating smooth surface roller 74, the asphalt is not accumulated on the electric heating defoaming roller 73 and the electric heating plain roller 74, and the surface of the electric heating plain roller 74 is smoother than the surface of the electric heating defoaming roller 73, thereby further reducing the degree of adhesion of the asphalt to the electric heating plain roller 74.
The bottom of frame 1 still is equipped with defoaming lifting cylinder 79, defoaming lifting cylinder 79's piston rod is vertical down, and defoaming lifting cylinder 79's piston rod is articulated with first connecting rod 71, when the defoaming all-in-one is not under operating condition is laid to pitch, defoaming lifting cylinder 79's piston rod rebound and shrink, thereby drive first connecting rod 71, second connecting rod 72, electric heat defoaming roller 73 and electric heat plain noodles roller 74 lift upwards, make electric heat defoaming roller 73 and electric heat plain noodles roller 74 not contradict with the holding surface, avoid electric heat defoaming roller 73 and electric heat plain noodles roller 74 to cause the damage when the defoaming all-in-one is laid to pitch removes.
The second connecting rod 72 between the electrothermal defoaming roller 73 and the electrothermal plain roller 74 is provided with a knife holder 75, the knife holder 75 is provided with a first scraper 76 and a second scraper 77, the first scraper 76 and the second scraper 77 are both hinged with the knife holder 75, the first scraper 76 abuts against the peripheral wall of the electrothermal defoaming roller 73, the second scraper 77 abuts against the peripheral wall of the electrothermal plain roller 74, and springs are respectively arranged between the first scraper 76 and the second scraper 77 and the second connecting rod 72, so as to ensure that the first scraper 76 and the second scraper 77 can tightly abut against the peripheral walls of the electrothermal defoaming roller 73 and the electrothermal plain roller 74, respectively, the first scraper 76 can scrape off the asphalt attached to the peripheral wall of the electrothermal defoaming roller 73, the second scraper 77 can scrape off the asphalt attached to the electrothermal plain roller 74, further ensure that the electrothermal defoaming roller 73 and the electrothermal plain roller 74 cannot have asphalt attached, further improve the practicability and durability, and the amount of the asphalt accumulated on the first scraper 76 and the second scraper 77 increases, dropping downward under the action of gravity, and the electric heating smooth surface roller 74 flattens and compacts the dropped asphalt to ensure the paving quality of the asphalt.
In this embodiment, one end of the second rotating shaft is provided with a driving gear, one end of the third rotating shaft is provided with a driven gear, the second connecting rod 72 between the driving gear and the driven gear is provided with a first transition gear and a second transition gear, the driving gear is engaged with the first transition gear, the first transition gear is engaged with the second transition gear, the second transition gear is engaged with the driven gear, through the analysis of the connection relationship, the rotation directions of the electric heating defoaming roller 73 and the electric heating smooth surface roller 74 are opposite, the horizontal acting forces of the electric heating defoaming roller 73 and the electric heating smooth surface roller 74 on the asphalt are opposite, the pit filling effect after defoaming is improved, thereby improving the asphalt paving effect, and because the rotation directions of the electric heating defoaming roller 73 and the electric heating smooth surface roller 74 are opposite, so that the asphalt adhered to the outer circumferential walls of the electrically heated defoaming roller 73 and the electrically heated smooth surface roller 74 can be scraped off by the first scraper 76 and the second scraper 77, respectively, and then accumulated to a certain extent and then dropped downward.
The asphalt storage barrel 3 comprises a cavity 33 for storing asphalt, the top end of the asphalt storage barrel 3 is provided with a feed inlet 31, the bottom end of the asphalt storage barrel 3 is provided with a discharge outlet 32, the feed inlet 31 and the discharge outlet 32 are both communicated with the cavity 33, the side wall of the lower part of the cavity 33 is obliquely arranged, the discharge outlet 32 is arranged at the bottom end of the cavity 33, the asphalt laying mechanism 6 comprises a feed pipe 62 and an asphalt extrusion die head 61, the asphalt extrusion die head 61 is connected with the frame 1, the asphalt extrusion die head 61 is provided with an inlet and an outlet, the width of the outlet of the asphalt extrusion die head 61 is 1-3mm according to the asphalt laying thickness requirement, one end of the feed pipe 62 is connected with the discharge outlet 32 of the asphalt storage barrel 3, the other end of the feed pipe 62 is connected with the inlet of the asphalt extrusion die head 61, a stopper component 65 is arranged in the outlet of the asphalt extrusion die head 61, asphalt storage barrel 3 is supplemented with asphalt from the feed inlet 31 at the top end of the asphalt storage barrel 3, specifically, a cross-shaped bracket is arranged in the feed port 31 of the asphalt storage barrel 3, a top pillar 34 protruding upwards is arranged at the center of the cross-shaped bracket, and is used in cooperation with an asphalt coating barrel 8 disclosed in the prior application of the applicant under publication No. CN111392176A, as shown in fig. 5, the asphalt coating barrel 8 comprises a barrel body 81 and a barrel cover 82, the barrel cover 82 is arranged at the top end of the barrel body 81, the barrel body 81 and the barrel cover 82 form a hollow cavity which can contain coating, a through outlet is arranged at the bottom end of the barrel body 81, the outlet enables the cavity to be communicated with the outside of the barrel body 81, a reverse bottom cover 83 is arranged on the outlet, the reverse bottom cover 83 can only be opened from the outside to the inside of the cross-shaped barrel body 81, when asphalt needs to be supplemented, the asphalt coating barrel 8 is placed on the cross-shaped bracket, the top pillar 34 pushes the reverse bottom cover 83 from the outside to the inside, and asphalt in the asphalt storage barrel 8 enters the asphalt storage barrel 3 from the feed port 31, the asphalt in the asphalt storage barrel 3 flows out from the discharge port 32 and flows into the asphalt extrusion die head 61 under the guiding action of the feeding pipe 62, when the asphalt needs to be laid, the block assembly 65 opens the outlet of the asphalt extrusion die head 61, and the asphalt flows out from the outlet of the asphalt extrusion die head 61 under the action of gravity and is laid on the construction surface.
Furthermore, the distance between the center of the outlet of the asphalt extrusion die head 61 and the axis of the electric heating defoaming roller 73 along the horizontal direction is 1-1.5 meters, when asphalt is laid on a construction surface, bubbles can be continuously generated, the asphalt can be stabilized after a period of time, and the bubbles can not be continuously generated, and the reasonable distance between the asphalt extrusion die head 61 and the electric heating defoaming roller 73 is set, so that the defoaming effect of the asphalt is ensured, and the laying quality of the asphalt is ensured; if the distance between the center of the outlet of the asphalt extrusion die head 61 and the axis of the electric heating defoaming roller 73 along the horizontal direction is less than 1 meter, the distance between the asphalt extrusion die head 61 and the electric heating defoaming roller 73 is too short, the asphalt is paved on the construction surface by the asphalt extrusion die head 61, when bubbles are still continuously generated in the asphalt, the electric heating defoaming roller 73 passes through the asphalt and eliminates the current bubbles, but when the electric heating defoaming roller 73 and the electric heating smooth surface roller 74 are separated, the bubbles are still generated in the asphalt, so that the bubbles still exist in the final asphalt, the defoaming effect is reduced, and the asphalt paving effect is reduced; if the distance along the horizontal direction between the center of the outlet of the asphalt extrusion die head 61 and the axis of the electric heating defoaming roller 73 is more than 1.5 meters, the distance between the asphalt extrusion die head 61 and the electric heating defoaming roller 73 is too long, asphalt is laid on the construction surface by the asphalt extrusion die head 61, when the electric heating defoaming roller 73 passes through the asphalt on the construction surface, the asphalt is cooled and agglomerated, the required time for breaking the bubbles is prolonged by transferring heat through the electric heating defoaming roller 73 and the electric heating smooth surface roller 74, but the thickness of the asphalt pavement is certain, the moving speed of the integrated machine for paving and defoaming the asphalt is certain, namely, the time for breaking the bubbles is certain by transferring heat through the electric heating defoaming roller 73 and the electric heating smooth surface roller 74, so that the defoaming effect is reduced, and the quality of the asphalt pavement is reduced.
A blanking pipe 63 is arranged between the other end of the feeding pipe 62 and the inlet of the asphalt extrusion die head 61, the blanking pipe 63 comprises a main pipe 631 and a plurality of branch pipes, when viewed from the direction of fig. 4, the uppermost branch pipe is the highest branch pipe, the lowermost branch pipe is the lowest branch pipe, each branch pipe comprises a plurality of branches, one end of the main pipe 631 is connected with the other end of the feeding pipe 62, the other end of the main pipe 631 is connected with the highest branch pipe, the upper branch pipe is connected with the lower branch pipe, and the lowest branch pipe is connected with the inlet of the asphalt extrusion die head 61, in this embodiment, the two branch pipes of the blanking pipe 63 are sequentially a first branch pipe 632 and a second branch pipe 633 from top to bottom, each branch pipe comprises two branches, the top end of the main pipe 631 is connected with the feeding pipe 62, the bottom end of the main pipe 631 is connected with the first branch pipe 632, the two branches of the first branch pipe 632 are respectively connected with the second branch pipe 633, second grade bleeder 633 is connected with pitch extrusion die 61, it is concrete, second grade bleeder 633 wears to locate in pitch extrusion die 61, pitch gets into in unloading pipe 63 from conveying pipe 62, in unloading pipe 63 through trunk 631 and a plurality of grades branch pipe in proper order, pitch shunts under the effect of a plurality of grades branch pipes, guarantee in the even flow direction pitch extrusion die 61 of pitch ability, finally follow the even outflow of export of pitch extrusion die 61, lay on the construction surface, thereby improve the homogeneity that pitch was laid, improve the effect that pitch was laid.
Further, the pipe diameter of the trunk pipe 631 is larger than that of the branch pipes, and the pipe diameter of the upper branch pipe is larger than or equal to that of the lower branch pipe, and the pressure drop phenomenon is caused by the energy loss caused by the collision between fluid particles and exchange kinetic energy during the fluid flow, which is caused by the internal friction force overcome during the fluid flow and the turbulent flow, and the pressure difference, i.e., the pressure drop, is generated before and after the fluid flow, so that when the asphalt flows through the plurality of branch pipes in sequence from the trunk pipe 631, and is split by the plurality of branch pipes, the asphalt flows uniformly into the asphalt extrusion die 61 and flows out from the asphalt extrusion die 61, the pressure at which the asphalt flows out is significantly lower than the pressure at which the asphalt flows in, and when the pipe diameter of the upper branch pipe is larger than that of the lower branch pipe, i.e., the flow cross section of the pipe is reduced, the pressure at which the asphalt flows from the upper branch pipe to the lower branch pipe can be appropriately increased, thereby ensuring that the asphalt flows out of the asphalt extrusion die head 61 within a certain pressure and flow rate, and improving the construction effect and efficiency; when the pipe diameter of the upper branch pipe is equal to that of the lower branch pipe, the asphalt in the branch pipe is stored with sufficient quantity, and when the asphalt flows through the branch pipes with different pipe diameters of the two adjacent stages, the pressure of the asphalt can be better improved, and the pressure drop effect can be further reduced.
The level of the one end of conveying pipe 62 is higher than the other end of conveying pipe 62, and be equipped with pay-off axle 67 in the conveying pipe 62, pay-off axle 67 is equipped with helical blade 68 along the axis direction, it carries driving piece 66 to be equipped with pitch on the conveying pipe 62, pitch is carried driving piece 66 and is connected with pay-off axle 67, pitch is carried driving piece 66 and is included the third speed reducer, the slope of conveying pipe 62 sets up, under the effect of gravity, accelerate the mobile speed of pitch, thereby accelerate the transport efficiency of pitch, and pitch is carried driving piece 66 drive pay-off axle 67 and is rotated, drive helical blade 68 and rotate, further accelerate the mobile speed of pitch, further accelerate the transport efficiency of pitch, and helical blade 68 has certain stirring effect to pitch, avoid pitch sediment or caking, improve the homogeneity of pitch.
The included angle between the axis of the feeding pipe 62 and the horizontal direction is within the range of 30-60 degrees, the feeding pipe 62 is arranged in an inclined mode, the phenomenon that the height of the asphalt storage barrel 3 is too large is avoided under the condition that the flowing speed of asphalt is accelerated by utilizing gravity, preferably, the included angle between the axis of the feeding pipe 62 and the horizontal direction is 45 degrees, if the included angle between the axis of the feeding pipe 62 and the horizontal direction is smaller than 30 degrees, the inclination degree of the feeding pipe 62 is too small, and the flowing speed of the asphalt cannot be accelerated by utilizing the gravity well; if the included angle between the axis of the feeding pipe 62 and the horizontal direction is greater than 60 degrees, although the flowing speed of the asphalt can be accelerated by using gravity well, the height of the end of the feeding pipe 62 connected with the asphalt storage barrel 3 is high, which causes the asphalt storage barrel 3 to be too high, and is not beneficial to adding the asphalt into the asphalt storage barrel 3.
The height adjusting assembly 64 is arranged at one end of the vehicle frame 1, the height adjusting assembly 64 is connected with the asphalt extrusion die head 61, and the height adjusting assembly 64 can adjust the height of the asphalt extrusion die head 61 according to the thickness of asphalt pavement, so as to improve the effect of asphalt pavement, specifically, the height adjusting assembly 64 comprises a screw 644 and a hand wheel 643, the bottom end of the screw 644 is fixedly connected with the top end of the asphalt extrusion die head 61, one end of the vehicle frame 1 is provided with a front side plate 641, the hand wheel 643 is rotatably connected with the front side plate 641, the screw 644 is arranged in the hand wheel 643 in a penetrating manner and is in threaded connection with the hand wheel 643, when the hand wheel 643 is rotated, the height of the asphalt extrusion die head 61 is adjusted through the matching between the hand wheel 643 and the screw 644, further, a guide rail extending along the vertical direction is arranged on the side wall of the front side plate 641, the top end of the asphalt extrusion die head 61 is provided with a slide block 642, and the asphalt extrusion die head 61 is fixedly connected with the asphalt extrusion die head 61, the slide block 642 is sleeved outside the guide rail and plays a guiding role in adjusting the asphalt extrusion die head 61 by the height adjusting assembly 64.
The block assembly 65 comprises a fixed seat 651, a block cylinder 652, a crank 653 and a block 654, the fixed seat 651 is arranged at the bottom end of the frame 1, the block cylinder 652 is fixedly connected with the fixed seat 651, a piston rod of the block cylinder 652 is vertically downward, the crank 653 is in an "L" shape, the crank 653 comprises a horizontal handle and a vertical handle, one end of the horizontal handle is connected with one end of the vertical handle, the end of the horizontal handle connected with the vertical handle is hinged with the asphalt extrusion die head 61, the piston rod of the block cylinder 652 is hinged with the other end of the horizontal handle, the other end of the vertical handle is hinged with the block 654, the block 654 is embedded into an outlet of the asphalt extrusion die head 61, the block 654 is embedded into the outlet of the asphalt extrusion die head 61, and the expansion and contraction of the piston rod of the block cylinder 652 can drive the block 654 to rotate through the transmission of the connection relationship, thereby realizing the opening of the outlet of the asphalt extrusion die head 61 or the closing of the outlet of the asphalt extrusion die head 61; moreover, the arrangement is matched with the height adjusting assembly 64 for use, because the blanking pipe 63 penetrates through the asphalt extrusion die head 61, the piston rod of the block cylinder 652 can be telescopically adjusted, and when the height adjusting assembly 64 adjusts the height of the asphalt extrusion die head 61, the piston rod of the block cylinder 652 and the blanking pipe 63 are adaptively adjusted.
Further, defoaming all-in-one is laid to pitch still includes heating element, and heating element is including setting up the heating plate on pitch storage bucket 3 and pitch extrusion die 61 outer wall and coiling the heating tube at conveying pipe 62 outer wall, because pitch has the condition of temperature reduction at the in-process of carrying, heats the pitch in carrying through heating plate and heating tube, guarantees that pitch accords with construction temperature's requirement all the time to guarantee the quality that pitch was laid.
Example 2:
in this embodiment, referring to fig. 6 to 10, the asphalt extrusion die 61 is in a plate shape, the slide block 642 is disposed on a side wall of the asphalt extrusion die 61, the asphalt extrusion die 61 is provided with an asphalt flow channel, the asphalt flow channel includes a trunk inlet flow channel 613 formed at a top end of the asphalt extrusion die 61, a plurality of branch flow channels formed in the asphalt extrusion die 61, and a collective outlet flow channel 618 formed at a bottom end of the asphalt extrusion die 61, each branch flow channel includes a plurality of branches, the other end of the feed pipe 62 is inserted into the trunk inlet flow channel 613 of the asphalt extrusion die 61, the highest branch flow channel is the branch flow channel located at the uppermost of the asphalt extrusion die 61, the lowest branch flow channel is the branch flow channel located at the lowermost of the asphalt extrusion die 61, as viewed from the direction of fig. 8, the main inlet runner 613 is connected to the highest branch runner, each branch runner is connected to a lower branch runner, and the lowest branch runner is connected to the collection outlet runner 618; in this embodiment, the asphalt extrusion die head 61 includes a first die head 611 and a second die head 612, a first flow channel with a recess is disposed in the first die head 611, and a second flow channel corresponding to the first die head 611 is disposed in the second die head 612, which means that the first flow channel and the second flow channel are symmetrical, and when the first die head 611 and the second die head 612 are connected, the first flow channel and the second flow channel form the asphalt flow channel, which makes the process of processing the asphalt flow channel simple and the production cost low.
In this embodiment, the asphalt flow channel includes a main inlet flow channel 613, a four-stage branch flow channel 617 and a collection outlet flow channel 618, each stage of branch flow channel includes two branches, each stage of branch flow channel is connected to a lower stage of respective flow channel, and the four-stage branch flow channel 617 is, in the direction from the main inlet flow channel 613 to the collection outlet flow channel 618, the four-stage branch flow channel 617 is sequentially a first branch flow channel 614, a second branch flow channel 615, a third branch flow channel 616 and the four-stage branch flow channel 617, wherein the first branch flow channel 614 is a highest stage branch flow channel, the four-stage branch flow channel 617 is a lowest stage branch flow channel, the main inlet flow channel 613 is connected to the first branch flow channel 614, the first branch flow channel 614 is connected to the second branch flow channel 615, the third branch flow channel 616 is connected to the four-stage branch flow channel 617, asphalt flows from the main inlet flow channel 613, and is divided by the several stages of branch flow channels, so as to ensure that the asphalt uniformly flows from the collection outlet flow channel 618, the effect of asphalt paving is improved.
More specifically, from the highest-level branched flow passage to the lowest-level branched flow passage, the cross-sectional area of the lower-level branched flow passage in the direction perpendicular to the flow direction of asphalt is smaller than or equal to the cross-sectional area of the upper-level branched flow passage in the direction perpendicular to the flow direction of asphalt, the lower-level branched flow passage and the upper-level branched flow passage are two adjacent branched flow passages, the lower-level branched flow passage is located downstream of the upper-level branched flow passage, when asphalt flows into the asphalt extrusion die head 61 from the main inlet flow passage 613 and flows uniformly through the plurality of branched flow passages, and finally flows out from the collection outlet flow passage 618 in a collection manner, the pressure at which the asphalt flows out is significantly lower than the pressure at which the asphalt flows in, the cross-sectional area of the lower-level branched flow passage in the direction perpendicular to the flow direction of asphalt is smaller than the cross-sectional area of the upper-level branched flow passage in the direction perpendicular to the flow direction of asphalt, that is, the flow passage volume is reduced, the pressure at which the asphalt flows from the upper-level branched flow passage to the lower-level branched flow passage, thereby ensuring that the asphalt flows out of the collecting outlet flow passage 618 within a certain pressure and flow rate, and improving the construction effect and efficiency; when the cross-sectional area of the lower branch flow passage in the direction perpendicular to the flow direction of the asphalt is equal to the cross-sectional area of the upper branch flow passage in the direction perpendicular to the flow direction of the asphalt, the asphalt in the branch flow passage is stored in a sufficient amount, when the asphalt flows through the two adjacent branch flow passages with different cross-sectional areas, the pressure of the asphalt can be better increased, and the effect of pressure drop can be further reduced.
From the highest-level branched flow channel to the lowest-level branched flow channel, the height of the lower-level branched flow channel is less than or equal to the height of the upper-level branched flow channel, and the height of the branched flow channel, as viewed from the direction of fig. 8, means: in the horizontal straight line segment of the branch flow channel, the vertical distance between the top wall and the bottom wall of the branch flow channel can be enabled to be smaller than or equal to the cross-sectional area of the upper branch flow channel, in this embodiment, the height of the second-stage branch flow channel 615 is equal to that of the first-stage branch flow channel 614, the height of the third-stage branch flow channel 616 is smaller than that of the second-stage branch flow channel 615, the height of the fourth-stage branch flow channel 617 is equal to that of the third-stage branch flow channel 616, namely H4＝H3<H2＝H1。
From the highest-level branched flow channel to the lowest-level branched flow channel, the depth of the lower-level branched flow channel is less than or equal to the depth of the upper-level branched flow channel, and the depth of the branched flow channel, as viewed from the direction of fig. 9 or 10, means: the dimension of the branch flow channel in the thickness direction of the asphalt extrusion die 61 can be such that the cross-sectional area of the lower branch flow channel is smaller than or equal to the cross-sectional area of the upper branch flow channel, in this embodiment, the depth of the second-stage branch flow channel 615 is equal to that of the first-stage branch flow channel 614, the depth of the third-stage branch flow channel 616 is smaller than that of the second-stage branch flow channel 615, and the depth of the fourth-stage branch flow channel 617 is equal to that of the third-stage branch flow channel 616, and specifically, the connection between the second-stage branch flow channel 615 and the third-stage branch flow channel 616 is provided with a slope step, so that the depth of the third-stage branch flow channel 616 is smaller than that of the second-stage branch flow channel 615.
The lowest-level branch flow passage and the collection outlet flow passage 618 are connected through a flaring flow passage 619, the flaring flow passage 619 comprises an inlet and an outlet, the length of the flaring flow passage 619 is gradually increased from the inlet of the flaring flow passage 619 to the outlet, the inlet of the flaring flow passage 619 is connected with the outlet of the lowest-level branch flow passage, the outlet of the flaring flow passage 619 is connected with the inlet of the collection outlet flow passage 618, and asphalt uniformly flows from the lowest-level branch flow passage to the collection outlet flow passage 618 through the flaring flow passage 619.
The flared flow passage 619 is obliquely arranged from the lowest-level branch flow passage to the collection outlet flow passage 618, and referring to the drawing, the flared flow passage 619 and the end surface of the first die head 611 form an included angle, and the included angle ranges from 30 ° to 50 °, so that the depth of the collection outlet flow passage 618 is smaller than that of the lowest-level branch flow passage, the volume of the collection outlet flow passage 618 can be reduced, and the pressure of asphalt flowing from the lowest-level branch flow passage to the collection outlet flow passage 618 is further appropriately increased.
The converging outlet flow passage 618 comprises a connecting section 6181, an inclined section 6182 and an outlet section 6183, the connecting section 6181 is connected with an outlet of the flaring flow passage 619, the connecting section 6181 is connected with the outlet section 6183 through the inclined section 6182, the slope section is arranged at an included angle with the end surface of the first die head 611, and the angle range is within minus degree, so that the depth of the outlet section 6183 is smaller than that of the connecting section 6181, the depth of the outlet section 6183 is about 1-2mm, the cross-sectional area of the outlet section 6183 in the direction perpendicular to the asphalt flow direction is smaller than that of the connecting section 6181 in the direction perpendicular to the asphalt flow direction, the volume of the outlet section 6183 is smaller than that of the connecting section 6181, the pressure of asphalt flowing from the connecting section 6181 to the outlet section 6183 is further appropriately improved, the pressure of the asphalt is gradually improved through multiple stages, the adjustment and the moderation is not influenced by the uniformity of the asphalt flow.
The first die head 611 is provided with a plurality of positioning grooves, a plurality of threaded holes are formed in the positioning grooves, bosses which correspond to the positioning grooves one to one are formed in the second die head 612, through holes which correspond to the threaded holes one to one are formed in the bosses, the positioning matching between the first die head 611 and the second die head 612 is facilitated through the matching between the positioning grooves and the bosses, the first die head 611 and the second die head 612 are fixedly connected through the threaded holes and threaded with the threaded holes by screws, thin sealing rings are arranged in the positioning grooves, and after the first die head 611 and the second die head 612 are fixedly connected, the thin sealing rings are embedded between the positioning grooves and the bosses, and the sealing performance of the asphalt extrusion die head 61 is improved.
The end of each branch flow passage connected with the next branch flow passage and the end of the lowest branch flow passage connected with the collection outlet flow passage 618 are arranged in arc sections, and asphalt can be more smoothly transited from the upper branch flow passage to the next branch flow passage or transited from the lowest branch flow passage to the collection outlet flow passage 618 under the flow guiding effect of the arc sections.
The application process of the embodiment of the invention comprises the following steps:
step 1: paving asphalt:
the wheel driving part 4 drives the wheel assembly to work so as to drive the asphalt paving and defoaming all-in-one machine to move, and the asphalt paving mechanism 6 paves asphalt on a construction surface; specifically, the asphalt coating barrel 8 is placed on a cross-shaped bracket, the top pillar 34 jacks up a reverse bottom cover 83 of the asphalt coating barrel 8 from outside to inside, asphalt in the asphalt coating barrel 8 flows into a cavity 33 of the asphalt storage barrel 3 from a feed inlet 31, equipment is started, a first speed reducer drives a driving wheel to rotate, an asphalt paving and defoaming all-in-one machine is driven to move, meanwhile, a piston rod of a stop block cylinder 652 moves downwards and extends out, a stop block 654 rotates to open an outlet of an asphalt extrusion die head 61, a third speed reducer drives a feeding shaft 67 to rotate, a spiral blade 68 is driven to rotate, and the asphalt is conveyed into the asphalt extrusion die head 61 and uniformly flows out of the asphalt extrusion die head 61 to be paved on a construction surface;
step 2: defoaming:
the electric heating defoaming mechanism 7 eliminates bubbles in the asphalt; specifically, the asphalt paving and defoaming all-in-one machine continues to move, the defoaming driving member 5 drives the electric heating defoaming roller 73 to rotate, the rotation direction of the electric heating defoaming roller 73 is the same as the rotation direction of the driving wheel and the driven wheel, when the electric heating defoaming roller 73 passes through asphalt paved on a construction surface, heat generated by an electric heating rod in the electric heating defoaming roller 73 is transferred to the peripheral wall, and then the heat is transferred to the asphalt through heat transfer, so that bubbles in the asphalt are heated, expanded and broken to achieve the defoaming effect, and at the moment, a push rod of the hydraulic support rod 78 moves downwards and extends out to generate downward acting force on the electric heating defoaming roller 73, the pressure of the electric heating defoaming roller 73 on the asphalt is increased, the bubbles are crushed through an auxiliary mode of extruding the asphalt, the defoaming effect is improved, a certain auxiliary compaction effect is achieved on the asphalt, and the first scraper 76 always collides outside the peripheral wall of the electric heating defoaming roller 73, even if asphalt is attached to the outer wall of the peripheral wall of the electric heating defoaming roller 73, the first scraper 76 scrapes off the asphalt attached to the outer wall of the peripheral wall of the electric heating defoaming roller 73, so that the asphalt is prevented from accumulating outside the peripheral wall of the electric heating defoaming roller 73, the practicability and the durability of the electric heating defoaming roller 73 are improved, and the asphalt on the first scraper 76 drops downwards after accumulating to a certain weight;
and step 3: compacting and leveling:
the electrothermal defoaming mechanism 7 applies pressure to compact the asphalt and fill and level up pits generated on the surface of the asphalt after defoaming; specifically, after the electrothermal defoaming roller 73 drives the electrothermal plain roller 74 to rotate, and after the electrothermal defoaming roller 73 defoams, when the electrothermal plain roller 74 passes through the asphalt laid on the construction surface, the heat of the electrothermal plain roller 74 is transferred into the asphalt to further defoam, so as to ensure that bubbles are completely eliminated, and the electrothermal plain roller 74 further compacts the asphalt under the action of gravity, the second scraper 77 always abuts against the outer wall of the electrothermal plain roller 74, even if the asphalt is attached to the outer wall of the electrothermal plain roller 74, the second scraper 77 scrapes the asphalt attached to the outer wall of the electrothermal plain roller 74, so as to prevent the asphalt from accumulating outside the electrothermal plain roller 74, improve the practicability and durability of the electrothermal plain roller 74, the asphalt on the second scraper 77 drips downwards after accumulating to a certain weight, the electrothermal plain roller 74 fills up pits after defoaming or flattens the asphalt dripped from the scraper, the quality of asphalt pavement is improved.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (10)
1. The utility model provides a defoaming all-in-one is laid to pitch, its characterized in that, includes frame (1), the bottom of frame (1) is equipped with wheel subassembly (2), be equipped with pitch on frame (1) and store bucket (3), wheel driving piece (4) and defoaming driving piece (5), wheel driving piece (4) with wheel subassembly (2) are connected, the one end of frame (1) is equipped with pitch and lays mechanism (6), pitch store bucket (3) with pitch is laid mechanism (6) and is connected, the other end of frame (1) is equipped with electric heat defoaming mechanism (7), defoaming driving piece (5) with electric heat defoaming mechanism (7) are connected.
2. An all-in-one machine for laying asphalt and defoaming in accordance with claim 1, wherein the electric heating defoaming mechanism (7) comprises a first connecting rod (71), a second connecting rod (72), an electric heating defoaming roller (73) and an electric heating smooth surface roller (74), one end of the first connecting rod (71) is hinged with the frame (1), the other end of the first connecting rod (71) is hinged with one end of the second connecting rod (72), the electric heating defoaming roller (73) is rotationally connected with one end of the second connecting rod (72), the electric heating plain roller (74) is rotationally connected with the other end of the second connecting rod (72), and the other end of the second connecting rod (72) is far away from the asphalt laying mechanism (6) relative to one end of the second connecting rod (72), the defoaming driving piece (5) is connected with the electric heating defoaming roller (73), and the electric heating defoaming roller (73) is in transmission connection with the electric heating plain roller (74).
3. The all-in-one machine for laying asphalt and defoaming as claimed in claim 2, characterized in that a hydraulic support rod (78) is further arranged at the bottom end of the vehicle frame (1), a push rod of the hydraulic support rod (78) faces vertically downwards, and the push rod of the hydraulic support rod (78) is hinged to the first connecting rod (71).
4. The all-in-one machine for laying and defoaming asphalt as claimed in claim 2, characterized in that a defoaming and lifting cylinder (79) is further arranged at the bottom end of the vehicle frame (1), a piston rod of the defoaming and lifting cylinder (79) faces downwards vertically, and the piston rod of the defoaming and lifting cylinder (79) is hinged to the first connecting rod (71).
5. An all-in-one machine for asphalt paving and defoaming as claimed in claim 2, wherein the second connecting rod (72) between the electric heating defoaming roller (73) and the electric heating smooth surface roller (74) is provided with a cutter seat (75), the cutter seat (75) is provided with a first scraper (76) and a second scraper (77), the first scraper (76) is abutted with the peripheral wall of the electric heating defoaming roller (73), and the second scraper (77) is abutted with the peripheral wall of the electric heating smooth surface roller (74).
6. The all-in-one machine for laying and defoaming asphalt as claimed in any one of claims 2 to 5, wherein a feeding hole (31) is formed in the top end of the asphalt storage barrel (3), a discharging hole (32) is formed in the bottom end of the asphalt storage barrel (3), the asphalt laying mechanism (6) comprises a feeding pipe (62) and an asphalt extrusion die head (61), the asphalt extrusion die head (61) is connected with the vehicle frame (1), the asphalt extrusion die head (61) is provided with an inlet and an outlet, one end of the feeding pipe (62) is connected with the discharging hole (32) of the asphalt storage barrel (3), the other end of the feeding pipe (62) is connected with the inlet of the asphalt extrusion die head (61), and a block component (65) is arranged in the outlet of the asphalt extrusion die head (61).
7. An all-in-one machine for asphalt paving and defoaming as claimed in claim 6, characterized in that the distance between the center of the outlet of the asphalt extrusion die head (61) and the axis of the electric heating defoaming roller (73) along the horizontal direction is 1-1.5 meters.
8. The all-in-one machine for laying and defoaming asphalt as claimed in claim 6, wherein a discharge pipe (63) is arranged between the other end of the feeding pipe (62) and the inlet of the asphalt extrusion die head (61), the discharge pipe (63) comprises a main pipe (631) and a plurality of branch pipes, each branch pipe comprises a plurality of branches, one end of the main pipe (631) is connected with the other end of the feeding pipe (62), the other end of the main pipe (631) is connected with the highest branch pipe, the upper branch pipe is connected with the lower branch pipe, and the lowest branch pipe is connected with the inlet of the asphalt extrusion die head (61).
9. The all-in-one machine for laying and defoaming asphalt as claimed in claim 6, wherein the horizontal height of one end of the feeding pipe (62) is higher than that of the other end of the feeding pipe (62), a feeding shaft (67) is arranged in the feeding pipe (62), a helical blade (68) is arranged on the feeding shaft (67) along the axial direction, an asphalt conveying driving member (66) is arranged on the feeding pipe (62), and the asphalt conveying driving member (66) is connected with the feeding shaft (67).
10. The all-in-one machine for laying asphalt and defoaming is characterized in that a height adjusting assembly (64) is arranged on the vehicle frame (1), and the height adjusting assembly (64) is connected with the asphalt extrusion die head (61).
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| CN202011475620.2A CN114622463B (en) | 2020-12-14 | 2020-12-14 | Asphalt paving and defoaming integrated machine |
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| CN202011475620.2A CN114622463B (en) | 2020-12-14 | 2020-12-14 | Asphalt paving and defoaming integrated machine |
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| CN114622463B CN114622463B (en) | 2024-03-12 |
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|---|---|
| CN114622463B (en) | 2024-03-12 |
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