CN214116199U - Asphalt laying vehicle - Google Patents
Asphalt laying vehicle Download PDFInfo
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- CN214116199U CN214116199U CN202023017661.5U CN202023017661U CN214116199U CN 214116199 U CN214116199 U CN 214116199U CN 202023017661 U CN202023017661 U CN 202023017661U CN 214116199 U CN214116199 U CN 214116199U
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Abstract
The utility model discloses a pitch laying vehicle, which comprises a vehicle rack, the bottom of frame is equipped with the wheel subassembly, be equipped with pitch on the frame and store bucket and wheel driving piece, the wheel driving piece is connected with the wheel subassembly, the top and the bottom that the bucket was stored to pitch are equipped with feed inlet and discharge gate respectively, the one end of frame is equipped with pitch and lays the mechanism, pitch is laid the mechanism and is included pitch extrusion die head, altitude mixture control subassembly and conveying pipe, altitude mixture control subassembly is connected with pitch extrusion die head, the conveying pipe is connected with pitch extrusion die head and pitch storage bucket respectively, be equipped with the dog subassembly in pitch extrusion die head's the import. The utility model discloses the beneficial effect who gains: the wheel driving piece drives the asphalt laying vehicle to move, asphalt flows out of the asphalt extrusion die head, and is laid on a construction surface, so that the manpower demand is reduced, the production cost is reduced, the production efficiency is improved, the automatic laying process is realized, and the asphalt laying quality is ensured.
Description
Technical Field
The utility model relates to a technical field of road construction, concretely relates to asphalt paving vehicle.
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, mostly exists in a liquid or semisolid petroleum form, has a black surface, is soluble in carbon disulfide and carbon tetrachloride, is a waterproof, moistureproof and anticorrosive organic cementing material, is mainly used in industries such as coatings, plastics, rubber and the like, paving pavements and the like, and the traditional asphalt paving building pavements are that asphalt is manually poured on a construction surface and then paved and strickled off, so that not only is a large amount of manpower consumed, but also the construction efficiency is low, and the asphalt paving quality cannot be guaranteed due to manual paving and strickling off.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide an asphalt paving vehicle, it includes that frame, wheel subassembly, pitch store bucket, wheel driving piece, altitude mixture control subassembly, pitch extrusion die, conveying pipe and dog subassembly, this asphalt paving vehicle has and to lay pitch on the construction face, reduces the manpower demand, and reduction in production cost improves production efficiency, guarantees the advantage of pitch laying quality.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
the utility model provides an asphalt paving vehicle, includes the frame, the bottom of frame is equipped with the wheel subassembly, be equipped with pitch on the frame and store bucket and wheel driving piece, the wheel driving piece with the wheel subassembly is connected, the top and the bottom that the bucket was stored to pitch are equipped with feed inlet and discharge gate respectively, the one end of frame is equipped with pitch laying mechanism, pitch laying mechanism includes pitch extrusion die head, altitude mixture control subassembly and conveying pipe, altitude mixture control subassembly with pitch extrusion die head is connected, the conveying pipe respectively with pitch extrusion die head reaches pitch storage bucket connects, be equipped with the dog subassembly in the export of pitch extrusion die head.
Preferably, one end of the feeding pipe is connected with a discharge port of the asphalt storage barrel, the other end of the feeding pipe is connected with an inlet of the asphalt extrusion die head, a blanking pipe is arranged between the other end of the feeding pipe and the inlet of the asphalt extrusion die head, the blanking pipe comprises a main pipe and a plurality of level branch pipes, each level of branch pipe comprises a plurality of levels 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 a highest level branch pipe, the upper level branch pipe is connected with a lower level branch pipe, the lowest level branch pipe is connected with the inlet of the asphalt extrusion die head, asphalt enters the blanking pipe from the feeding pipe, and sequentially passes through the main pipe and the plurality of levels of branch pipes in the blanking pipe, and is divided under the action of the plurality of level branch pipes, the asphalt can uniformly flow into the asphalt extrusion die head, and finally uniformly flows out of an outlet of the asphalt extrusion die head to be paved on a construction surface, so that the asphalt paving uniformity is improved, and the asphalt paving effect is improved.
Preferably, an asphalt flow channel is arranged in the asphalt extrusion die head, the asphalt flow channel comprises a main inlet flow channel formed at the top end of the asphalt extrusion die head, a plurality of branch flow channels formed in the asphalt extrusion die head and a collecting outlet flow channel formed at the bottom end of the asphalt extrusion die head, each branch flow channel comprises a plurality of branches, one end of the main inlet flow channel is connected with the other end of the feeding pipe, the other end of the main inlet flow channel is connected with the highest branch flow channel, the upper branch flow channel is connected with the lower branch flow channel, and the lowest branch flow channel is connected with the collecting outlet flow channel, so that asphalt flows into the asphalt extrusion die head from the feeding pipe, firstly flows into the main inlet flow channel, and after the asphalt is divided by the branch flow channels, the asphalt is ensured to uniformly flow out from the collecting outlet flow channel, the asphalt is paved on a construction surface, and the paving effect of the asphalt is improved.
Preferably, the horizontal height of one end of the feeding pipe is higher than that of the other end of the feeding pipe, and the feeding pipe is obliquely arranged, so that the flow speed of the asphalt is increased under the action of gravity, and the conveying efficiency of the asphalt is increased.
Preferably, the included angle between the axis of the feeding pipe and the horizontal direction is within the range of 30-60 degrees, and through the arrangement, the feeding pipe is obliquely arranged, so that the phenomenon that the height of the asphalt storage barrel is too large is avoided under the condition that the flowing speed of asphalt is accelerated by utilizing gravity; if the included angle between the axis of the feeding pipe and the horizontal direction is less than 30 degrees, the inclination degree of the feeding pipe is too small, and the flowing speed of the asphalt cannot be accelerated by utilizing gravity well; if the included angle between the axis of the feeding pipe and the horizontal direction is larger than 60 degrees, although the flowing speed of the asphalt can be accelerated by utilizing gravity, the height of one end, connected with the asphalt storage barrel, of the feeding pipe is higher, so that the height of the asphalt storage barrel is too high, and the feeding of the asphalt into the asphalt storage barrel is not facilitated.
Preferably, 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 asphalt conveying driving piece drives the feeding shaft to rotate to drive the spiral blade to rotate, so that the flowing speed of asphalt is further accelerated, the conveying efficiency of the asphalt is 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 comprises a front side plate, a hand wheel and a screw rod, the front side plate is arranged at one end of the frame, the hand wheel is arranged on the front side plate and is connected with the front side plate in a rotating mode, the bottom end of the screw rod is fixedly connected with the top end of the asphalt extrusion die head, the screw rod is arranged in the hand wheel in a penetrating mode and is in threaded connection with the hand wheel, and the hand wheel is rotated through the arrangement, is matched with the screw rod in a threaded mode, so that the screw rod moves along the axis direction and drives the asphalt extrusion die head to move along the vertical direction, therefore the height of the asphalt extrusion die head can be adjusted according to the thickness of required paved asphalt, and the asphalt paving effect is improved.
Preferably, the side wall of the front side plate is provided with a guide rail, the top end of the asphalt extrusion die head is provided with a sliding block, the sliding block is fixedly connected with the asphalt extrusion die head, the sliding block is sleeved outside the guide rail, and through the arrangement, the sliding block is matched with the guide rail to adjust the asphalt extrusion die head through the height adjusting assembly to play a role in guiding.
Preferably, the stop block assembly comprises a fixed seat, a stop block cylinder, a crank and a stop block, the fixed seat is arranged at the bottom end of the frame, the stop block cylinder is fixedly connected with the fixed seat, a piston rod of the stop block cylinder faces downwards vertically, the crank is L-shaped, the crank comprises a transverse handle and a vertical handle, one end of the transverse handle is connected with one end of the vertical handle, and one end of the transverse handle connected with the vertical handle is connected with the asphalt extrusion die head, a piston rod of the stop block cylinder is hinged with the other end of the transverse handle, the other end of the vertical handle is hinged with a stop block, the stop block is embedded into an outlet of the asphalt extrusion die head, through the arrangement, the expansion and contraction of the piston rod of the block cylinder can drive the block to rotate through the transmission of the connection relation, thereby achieving opening or closing of the outlet of the pitch extrusion die.
Preferably, the asphalt heating device further comprises a heating assembly, wherein the heating assembly comprises heating sheets arranged on the outer wall of the asphalt storage barrel and the outer wall of the asphalt extrusion die head and a heating pipe wound on the outer wall of the feeding pipe, and due to the arrangement, the asphalt is heated by the heating assembly when the temperature of the asphalt is reduced in the conveying process, so that the asphalt is ensured to always meet the requirement of construction temperature, and the asphalt laying quality is ensured.
Compared with the prior art, the utility model discloses profitable technological effect has been obtained:
after pouring pitch into pitch storage bucket, pitch is in the guide effect of conveying pipe is carried extremely in the pitch extrusion die, the starting equipment, the wheel driving piece drive wheel subassembly action work drives pitch laying vehicle removes, meanwhile, the dog subassembly is opened the export of pitch extrusion die, pitch follow pitch extrusion die flows out, lays on the construction face, reduces the manpower demand, reduction in production cost improves production efficiency, and automatic laying process guarantees the quality that pitch was laid.
Drawings
FIG. 1 is a schematic view of an asphalt paving vehicle according to embodiment 1 of the present invention;
fig. 2 is a partially enlarged schematic view of a portion a in fig. 1 according to an embodiment of the present invention;
fig. 3 is a partially enlarged schematic view of a portion B in fig. 1 according to an embodiment of the present invention;
figure 4 is a schematic view of the connection of the discharge pipe 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;
figure 6 is a schematic view of a pitch extrusion die of example 2 of the present invention;
figure 7 is a schematic isometric view of a first die of example 2 of the present invention;
figure 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 of the embodiment of the present invention at C-C in fig. 7;
fig. 10 is a schematic cross-sectional view of the embodiment of the present invention shown in fig. 7D-D.
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 paint 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 discharging 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 specific embodiments.
Example 1:
referring to fig. 1-5, the embodiment discloses an asphalt paving vehicle, which comprises a vehicle frame 1, wherein the vehicle frame 1 is a horizontally arranged rectangular plate, a wheel assembly 2 is arranged at the bottom end of the vehicle 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 vehicle frame 1 along the length direction, the driven wheel assembly comprises a driven support, a driven shaft is arranged in the driven support, the driven shaft 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 is fixedly connected with the driven wheels through keys, the driving wheel assembly comprises a driving support, a driving shaft is arranged in the driving support, the driving shaft is rotatably connected with the driving support, and a bearing is arranged between the driving shaft and the driving support, the asphalt paving vehicle comprises a frame 1, a driving shaft, a wheel assembly 2, a wheel driving piece 4, a first transmission piece 41, a belt assembly, a driving belt wheel and a belt, wherein the driving shaft is arranged at two ends of the driving shaft, the driving shaft is fixedly connected with the driving shaft through a key, the asphalt storage barrel 3, the wheel driving piece 4 and the defoaming driving piece 5 are arranged on the frame 1, the wheel driving piece 4 is connected with the wheel assembly 2, the wheel driving piece 4 comprises a first speed reducer, the first transmission piece 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 transmission piece 41, the driving shaft drives the driving wheel to rotate, and finally drives the asphalt paving vehicle 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; 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, one end of the vehicle frame 1 along the length direction is provided with an asphalt laying mechanism 6, the asphalt laying mechanism 6 comprises an asphalt extrusion die head 61, a height adjusting component 64 and a feed pipe 62, the height adjusting component 64 is arranged at one end of the vehicle frame 1 along the length direction, the height adjusting component 64 is connected with the asphalt extrusion die head 61, the asphalt extrusion die head 61 is provided with an inlet and an outlet, the outlet width of the asphalt extrusion die head 61 is 1-3mm according to the asphalt laying thickness requirement, the feed pipe 62 is arranged between the asphalt extrusion die head 61 and the asphalt storage barrel 3, the conveying pipe 62 is connected with the asphalt extrusion die head 61 and the asphalt storage barrel 3 respectively, one end of the conveying pipe 62 is connected with the discharge port 32 of the asphalt storage barrel 3, the other end of the conveying pipe 62 is connected with the inlet of the asphalt extrusion die head 61, a stopper assembly 65 is arranged in the outlet of the asphalt extrusion die head 61, the other end of the frame 1 is provided with an electric heating defoaming mechanism 7, and a defoaming driving piece 5 is connected with the electric heating defoaming mechanism 7.
After pouring asphalt into the asphalt storage barrel 3, conveying the asphalt into the asphalt extrusion die head 61 under the guiding action of the feeding pipe 62, starting equipment, driving the wheel assembly 2 to work by the wheel driving piece 4, thereby driving the asphalt laying vehicle to move, meanwhile, the outlet of the asphalt extrusion die head 61 is opened by the block assembly 65, the asphalt flows out of the asphalt extrusion die head 61 and is laid on the construction surface, along with the movement of the asphalt laying vehicle, when the electric heating defoaming mechanism 7 is laid on the construction surface, the heat generated by the electric heating defoaming mechanism 7 is transferred into the asphalt, the bubbles in the asphalt are heated to expand and break, so that the defoaming effect is achieved, a certain compaction effect is achieved on the asphalt by the electric heating defoaming mechanism 7, the pits left after defoaming are filled, so that the asphalt laying and defoaming are simultaneously carried out, the asphalt laying effect is improved, and manual subsequent defoaming is not needed, reduce the manpower demand, reduction in production cost improves production efficiency to pitch can hardly be attached to on electric heat defoaming mechanism 7, practicality and durability are good, and the quality that pitch was laid is guaranteed in automatic laying process.
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 extrusion die head 61 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 defoaming driving piece 5 comprises a second speed, 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 vehicle to run, asphalt is laid on the construction surface by the asphalt extrusion die head 61, along with the running of the asphalt laying vehicle, when the electric heating defoaming roller 73 and the electric heating smooth surface roller 74 pass through the asphalt laid on the construction surface, downward pressure is applied to the asphalt by the electric heating defoaming roller 73 and the electric heating smooth surface roller 74 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 asphalt is compacted, the electric heating defoaming roller 73 and the electric heating smooth surface roller 74 both generate heat through the electric heating rods inside, and the heat of the electric heating defoaming roller 73 is transferred to the asphalt, 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 inverse proportion between the temperature and the viscosity of the asphalt is, even if the asphalt is attached to the electric heating defoaming roller 73 and the electric heating smooth surface roller 74, because the temperatures of the surfaces of the electric heating defoaming roller 73 and the electric heating smooth surface roller 74 are higher, and the 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, and can not be accumulated on the electric heating defoaming roller 73 and the electric heating smooth surface roller 74, the surface of the electric heating plain roller 74 is smoother than the surface of the electric heating defoaming roller 73, and the degree of adhesion of the asphalt to the electric heating plain roller 74 is further reduced.
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 asphalt paving vehicle is not under operating condition, 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 asphalt paving vehicle 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.
Specifically, a cross-shaped bracket is arranged in the feed port 31 at the top end 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 by the applicant's prior application, 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, the bottom end of the barrel body 81 is provided with a through outlet, the outlet enables the cavity to be communicated with the outside of the barrel body 81, the outlet is provided with a reverse bottom cover 83, the reverse bottom cover 83 can only be opened from the outside to the inside of the 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, asphalt in the asphalt coating barrel 8 enters the asphalt storage barrel 3 from the feeding hole 31, asphalt in the asphalt storage barrel 3 flows out from the discharging hole 32 and flows into the asphalt extrusion die head 61 under the guiding action of the feeding pipe 62, when asphalt needs to be laid, the stop 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 a construction surface.
Further, 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 stability can be realized 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 movement speed of the asphalt laying vehicle is constant because the thickness of the asphalt laying is constant, namely, the time for breaking the bubbles is constant 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 laying 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 the pipe diameter of the branch pipe, the pipe diameter of the upper branch pipe is larger than or equal to the pipe diameter of the lower branch pipe, and the pressure drop phenomenon is caused by the energy loss caused by the mutual collision between the fluid particles and exchange kinetic energy between the fluid particles when the fluid flows against the internal friction and the turbulent flow, which is caused by the pressure difference, i.e., the pressure drop, before and after the fluid flows, therefore, 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 finally flows uniformly into the asphalt extrusion die 61 and flows out from the asphalt extrusion die 61, the pressure of the flowing asphalt is significantly smaller than the pressure of the flowing asphalt, and when the pipe diameter of the upper branch pipe is larger than the pipe diameter of the lower branch pipe, i.e., the flow cross section of the pipe is reduced, the pressure of the asphalt flowing from the branch pipe of the upper branch pipe to the lower branch pipe can be properly 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 adjustment assembly 64 can adjust the height of the asphalt extrusion die 61 according to the thickness of asphalt pavement, therefore, the asphalt paving effect is improved, 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 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 in the vertical direction is arranged on the side wall of the front side plate 641, a sliding block 642 is arranged at the top end of the asphalt extrusion die head 61, the sliding block 642 is fixedly connected with the asphalt extrusion die head 61, and the sliding block 642 is sleeved outside the guide rail to play 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 discharging pipe 63 penetrates through the asphalt extrusion die head 61, the piston rod of the block cylinder 652 can be adjusted in a telescopic mode, 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 discharging pipe 63 are adjusted in an adaptive mode.
Further, asphalt paving vehicle still includes heating element, and heating element is including setting up the heating plate on bucket 3 and pitch extrusion die 61 outer wall and coiling the heating tube at conveying pipe 62 outer wall are stored to pitch, 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 a branch flow channel located at an uppermost portion of the asphalt extrusion die 61, the lowest branch flow channel is a branch flow channel located at a lowermost portion of the asphalt extrusion die 61, as viewed from the direction of fig. 8, one end of the main inlet flow passage 613 is connected to the other end of the feed pipe 62, the other end of the main inlet flow passage 613 is connected to the highest-level branch flow passage, each of the highest-level branch flow passages is connected to the lower-level branch flow passage, and the lowest-level branch flow passage is connected to the collecting outlet flow passage 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: vertical distance between top wall and bottom wall of branch flow channel in horizontal straight line section of branch flow channelIn this way, 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, and 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, and the height of the fourth-stage branch flow channel 617 is equal to that of the third-stage branch flow channel 616, that is, 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 laying vehicle to move, and the asphalt extrusion die head 61 lays 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 the cavity 33 of the asphalt storage barrel 3 from the feed inlet 31, equipment is started, the first speed reducer drives the driving wheel to rotate, the asphalt paving vehicle is driven to move, meanwhile, the piston rod of the stop block cylinder 652 moves downwards and extends out, the stop block 654 rotates to open the outlet of the asphalt extrusion die head 61, the third speed reducer drives the feed shaft 67 to rotate, the 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 and is paved on a construction surface;
step 2: defoaming:
the electric heating defoaming mechanism 7 eliminates bubbles in the asphalt; specifically, the asphalt paving vehicle 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 the asphalt paved on the 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, so that the pressure generated by 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 on the asphalt is achieved, and the first scraper 76 always abuts against the peripheral wall of the electric heating defoaming roller, 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, the electric heating defoaming roller 73 drives the electric heating smooth surface roller 74 to rotate, after the electric heating defoaming roller 73 is rotated to defoam, when the electric heating plain roller 74 passes through the asphalt laid on the construction surface, the heat of the electric heating plain roller 74 is transferred into the asphalt to further defoam, ensure complete elimination of bubbles, and the electric heating smooth surface roller 74 further compacts the asphalt under the action of gravity, the second scraper 77 always abuts against the outer wall of the electric heating smooth surface roller 74, even if asphalt is attached to the outer wall of the peripheral wall of the electric heating smooth surface roller 74, the second scraper 77 scrapes off the asphalt attached to the outer wall of the peripheral wall of the electric heating smooth surface roller 74, the asphalt is prevented from accumulating outside the electric heating smooth surface roller 74, the practicability and the durability of the electric heating smooth surface roller 74 are improved, the asphalt on the second scraper 77 drips downwards after accumulating to a certain weight, the electric heating smooth surface roller 74 fills up the pits after defoaming or flattens the asphalt dripped from the scraper, and the asphalt laying quality is improved.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.
Claims (10)
1. An asphalt laying vehicle is characterized by comprising a vehicle frame (1), a wheel assembly (2) is arranged at the bottom end of the vehicle frame (1), an asphalt storage barrel (3) and a wheel driving part (4) are arranged on the frame (1), the wheel driving part (4) is connected with the wheel assembly (2), the top end and the bottom end of the asphalt storage barrel (3) are respectively provided with a feeding hole (31) and a discharging hole (32), one end of the frame (1) is provided with an asphalt laying mechanism (6), the asphalt laying mechanism (6) comprises an asphalt extrusion die head (61), a height adjusting component (64) and a feeding pipe (62), the height adjustment assembly (64) is connected to the asphalt extrusion die head (61), the feeding pipe (62) is respectively connected with the asphalt extrusion die head (61) and the asphalt storage barrel (3), and a block assembly (65) is arranged in the outlet of the asphalt extrusion die head (61).
2. The asphalt paving vehicle as claimed in claim 1, wherein one end of the feeding pipe (62) is connected to the discharge port (32) of the asphalt storage barrel (3), the other end of the feeding pipe (62) is connected to the inlet of the asphalt extrusion die head (61), a discharging pipe (63) is provided between the other end of the feeding pipe (62) and the inlet of the asphalt extrusion die head (61), the discharging pipe (63) comprises a main pipe (631) and a plurality of branch pipes, each branch pipe comprises a plurality of stages, one end of the main pipe (631) is connected to the other end of the feeding pipe (62), the other end of the main pipe (631) is connected to the highest-stage branch pipe, the upper-stage branch pipe is connected to the lower-stage branch pipe, and the lowest-stage branch pipe is connected to the inlet of the asphalt extrusion die head (61).
3. The asphalt paving vehicle as claimed in claim 1, wherein an asphalt flow channel is provided in the asphalt extrusion die head (61), the asphalt flow channel comprises a main branch flow channel (613) formed at the top end of the asphalt extrusion die head (61), a plurality of branch flow channels formed in the asphalt extrusion die head (61), and a collection outlet flow channel (618) formed at the bottom end of the asphalt extrusion die head (61), and each branch flow channel comprises a plurality of branches, one end of the main branch flow channel (613) is connected to the other end of the feeding pipe (62), the other end of the main branch flow channel (613) is connected to a highest branch flow channel, an upper branch flow channel is connected to a lower branch flow channel, and a lowest branch flow channel is connected to the collection outlet flow channel (618).
4. An asphalt laying vehicle according to any one of claims 1-3, wherein one end of said feeding pipe (62) has a higher level than the other end of said feeding pipe (62).
5. Asphalt laying truck according to claim 4, characterized in that the angle of the axis of the feeding pipe (62) to the horizontal is in the range between 30 ° and 60 °.
6. The asphalt paving vehicle according to claim 4, wherein 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).
7. The asphalt paving vehicle according to any one of claims 1-3, characterized in that the height adjusting assembly (64) comprises a front side plate (641), a hand wheel (643) and a screw rod (644), wherein the front side plate (641) is arranged at one end of the vehicle frame (1), the hand wheel (643) is arranged on the front side plate (641) and the front side plate (641) is rotatably connected, the bottom end of the screw rod (644) is fixedly connected with the top end of the asphalt extrusion die head (61), and the screw rod (644) is arranged in the hand wheel (643) in a penetrating way and is in threaded connection with the hand wheel (643).
8. The asphalt paving vehicle according to claim 7, wherein a guide rail is arranged on the side wall of the front side plate (641), a sliding block (642) is arranged at the top end of the asphalt extrusion die head (61), the sliding block (642) is fixedly connected with the asphalt extrusion die head (61), and the sliding block (642) is sleeved outside the guide rail.
9. An asphalt laying vehicle according to any one of claims 1-3, the block component (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 air cylinder (652) is fixedly connected with the fixed seat (651), the piston rod of the block cylinder (652) faces downwards vertically, the crank (653) is L-shaped, 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, and one end of the transverse handle connected with the vertical handle is connected with the asphalt extrusion die head (61), a piston rod of the block cylinder (652) is hinged with the other end of the transverse handle, the other end of the vertical handle is hinged with a block (654), the block (654) is embedded in the outlet of the asphalt extrusion die head (61).
10. The asphalt paving vehicle as claimed in any one of claims 1 to 3, further comprising a heating assembly comprising a heating sheet disposed on the outer walls of the asphalt storage barrel (3) and the asphalt extrusion die head (61) and a heating pipe wound on the outer wall of the feeding pipe (62).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898187A (en) * | 2021-09-10 | 2022-01-07 | 深圳市卓宝科技股份有限公司 | Waterproof coating defoaming method based on hot melt adhesive film and building waterproof system |
| CN113958103A (en) * | 2021-11-23 | 2022-01-21 | 山东中恒建设集团有限公司 | Indoor ground construction device |
| CN114108427A (en) * | 2021-11-15 | 2022-03-01 | 武汉市市政路桥有限公司 | Road asphalt paving equipment and method thereof |
-
2020
- 2020-12-14 CN CN202023017661.5U patent/CN214116199U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898187A (en) * | 2021-09-10 | 2022-01-07 | 深圳市卓宝科技股份有限公司 | Waterproof coating defoaming method based on hot melt adhesive film and building waterproof system |
| CN113898187B (en) * | 2021-09-10 | 2023-09-26 | 深圳市卓宝科技股份有限公司 | Waterproof coating defoaming method based on hot melt adhesive film and building waterproof system |
| CN114108427A (en) * | 2021-11-15 | 2022-03-01 | 武汉市市政路桥有限公司 | Road asphalt paving equipment and method thereof |
| CN113958103A (en) * | 2021-11-23 | 2022-01-21 | 山东中恒建设集团有限公司 | Indoor ground construction device |
| CN113958103B (en) * | 2021-11-23 | 2023-03-24 | 山东中恒建设集团有限公司 | Indoor ground construction device |
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