CN114753215B - Asphalt paving device with surplus material recycling function for road construction - Google Patents
Asphalt paving device with surplus material recycling function for road construction Download PDFInfo
- Publication number
- CN114753215B CN114753215B CN202210362541.3A CN202210362541A CN114753215B CN 114753215 B CN114753215 B CN 114753215B CN 202210362541 A CN202210362541 A CN 202210362541A CN 114753215 B CN114753215 B CN 114753215B
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- asphalt
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- machine body
- material conveying
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- 239000010426 asphalt Substances 0.000 title claims abstract description 282
- 239000000463 material Substances 0.000 title claims abstract description 134
- 238000010276 construction Methods 0.000 title claims abstract description 16
- 238000004064 recycling Methods 0.000 title abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 229
- 238000003825 pressing Methods 0.000 claims abstract description 84
- 238000011084 recovery Methods 0.000 claims abstract description 35
- 239000011230 binding agent Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 210000000078 claw Anatomy 0.000 claims description 48
- 238000007790 scraping Methods 0.000 claims description 43
- 230000005540 biological transmission Effects 0.000 claims description 42
- 238000005485 electric heating Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 38
- 230000008569 process Effects 0.000 abstract description 34
- 239000002699 waste material Substances 0.000 abstract description 8
- 238000007493 shaping process Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 28
- 230000007480 spreading Effects 0.000 description 12
- 238000003892 spreading Methods 0.000 description 12
- 238000004140 cleaning Methods 0.000 description 9
- 238000005336 cracking Methods 0.000 description 6
- 238000007599 discharging Methods 0.000 description 3
- 230000003116 impacting effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
- E01C19/46—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 preparing and placing the materials, e.g. slurry seals
-
- 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
- E01C19/02—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 preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1004—Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof
-
- 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
- E01C19/02—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 preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1013—Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus
- E01C19/104—Mixing by means of movable members in a non-rotating mixing enclosure, e.g. stirrers
-
- 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
- E01C19/02—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 preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1059—Controlling the operations; Devices solely for supplying or proportioning the ingredients
- E01C19/1063—Controlling the operations
-
- 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
-
- 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
Abstract
The invention discloses an asphalt paving device with a surplus material recycling function for road construction, which relates to the technical field of road construction and comprises the following components: the device comprises a machine body, a press roll, a recovery assembly, a pre-pressing assembly and a stirring assembly, wherein the recovery assembly is used for recovering redundant asphalt binder; the pre-pressing assembly is used for pre-pressing the asphalt binder after being laid; the stirring assembly is used for stirring and heating the asphalt binder; the machine body moves, and the recovery assembly recovers redundant asphalt into the stirring assembly, so that the redundant asphalt is recovered, the waste of the asphalt is avoided, and the utilization rate of the asphalt is improved; in the process of forward movement of the machine body, the recycling component drives the pre-pressing component to pre-press asphalt, so that the primary shaping of the asphalt pavement is realized; after the pre-pressing assembly pre-presses, the asphalt pavement is pressed by the pressing roller, so that the asphalt pavement is further pressed and formed.
Description
Technical Field
The invention relates to the technical field of road construction, in particular to an asphalt paving device with a surplus material recycling function for road construction.
Background
Asphalt is a blackish brown complex mixture composed of hydrocarbons with different molecular weights and nonmetallic derivatives thereof, and is one of high-viscosity organic liquids, and is usually in a liquid state, a semi-solid state or a solid state; asphalt is also a common material in road construction, and asphalt binder improves the capability of paving granules for resisting damage to the road surface caused by driving and natural factors, so that the road surface is flat, less in dust, waterproof and durable; compared with a cement pavement, the travelling comfort, the safety and the strength stability of the asphalt pavement are obviously improved, and asphalt is usually paved by utilizing an asphalt paving device in the road construction process;
asphalt paving device among the prior art lays the in-process asphalt and lays not enough evenly, and when laying asphalt, the asphalt binder that emptys is too much, can't in time retrieve the asphalt binder, and then leads to the waste of asphalt binder.
Disclosure of Invention
The invention aims to provide an asphalt paving device with a surplus material recovery function for road construction, which solves the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
An asphalt paving device for road construction with a surplus material recovery function, comprising: a body; the bottom of the machine body is provided with a press roller; the bottom of the machine body is provided with a recovery component which is used for recovering redundant asphalt binder; the machine body is internally provided with a pre-pressing assembly, and the pre-pressing assembly is used for pre-pressing the laid asphalt binder; the stirring assembly is arranged at the top of the machine body and is used for stirring and heating the asphalt binder;
the motor is started by a worker, the motor drive shaft starts to rotate, the worker pours asphalt into the stirring assembly, the stirring assembly stirs and heats the asphalt, after the asphalt is heated, the worker controls the electromagnetic door to open, the heated asphalt flows into the material conveying opening through the electromagnetic door, the asphalt is poured into a road surface from the material conveying opening, the machine body moves forward while pouring the asphalt, and the recycling assembly recycles the redundant asphalt into the stirring assembly while moving the machine body, so that the redundant asphalt is recycled, the asphalt is prevented from being wasted, and the utilization rate of the asphalt is improved; in the process of forward movement of the machine body, the recycling component drives the pre-pressing component to pre-press asphalt, so that the primary shaping of the asphalt pavement is realized; after the pre-pressing assembly pre-presses, the asphalt pavement is pressed by the pressing roller, so that the asphalt pavement is further pressed and formed.
Preferably, the recycling assembly includes: the paving plate is fixedly connected to the bottom of the machine body and is L-shaped; a transmission auger is arranged on one side of the paving plate, which is close to the bottom of the machine body, the transmission auger is in sliding connection with the paving plate, and threads on two sides of the transmission auger are oppositely arranged; a first bevel gear is symmetrically arranged at the center of the transmission auger; a motor cavity is formed in the machine body, a motor is installed in the motor cavity, a motor driving shaft penetrates through the machine body and is provided with a second bevel gear, and the second bevel gear is meshed with the first bevel gear;
oblique conveyor belts are symmetrically arranged on two sides of the machine body; one end of the inclined conveyor belt is contacted with the ground and is parallel to the paving plate; the other end is communicated with a recovery box which is symmetrically arranged at two sides of the stirring assembly; an L-shaped conveyor belt is arranged between the recovery box and the stirring assembly;
before the machine body performs asphalt paving operation, a worker starts a motor in a motor cavity through a controller, a motor driving shaft rotates to drive a secondary bevel gear to rotate, the secondary bevel gear drives a primary bevel gear to carry out meshing transmission, as the two primary bevel gears are symmetrically arranged, the rotation directions of the primary bevel gears are opposite, a left primary bevel gear drives a left transmission auger to rotate towards one side close to a left oblique conveying belt, a right primary bevel gear drives a right transmission auger to rotate towards one side close to the right oblique conveying belt, asphalt falls to a road surface through a conveying hole, and the fallen asphalt is piled on the road surface in the forward moving process of the machine body;
The spreading board pushes asphalt to level on a road surface, redundant asphalt is shoveled onto the spreading board by the spreading board, the redundant asphalt moves to one side far away from a first bevel gear under the action of the transmission auger, when the asphalt leaves the spreading board under the transmission action of the transmission auger, the asphalt falls onto the oblique conveying belt, workers start the oblique conveying belt and the L-shaped conveying belt between asphalt spreading operations, the oblique conveying belt conveys the redundant asphalt into the recovery box, the asphalt in the recovery box is conveyed by the L-shaped conveying belt, falls into the stirring barrel from the top of the L-shaped conveying belt, stirring and heating are carried out again, recycling of the redundant asphalt is achieved, waste of the asphalt is avoided, workers do not need to manually recycle the redundant asphalt, and workload of the workers is reduced.
Preferably, the pre-pressing assembly comprises: the bottom of the motor cavity is provided with a gear cavity, and a motor driving shaft positioned in the gear cavity is provided with a third bevel gear; a pre-pressing cavity is formed in one side, close to the press roller, of the gear cavity; a transmission cavity is communicated between the pre-pressing cavity and the gear cavity; a rotating shaft is arranged in the transmission cavity; a fourth bevel gear is arranged at one end of the rotating shaft, which is positioned in the gear cavity, and the fourth bevel gear is meshed with the third bevel gear; one end of the rotating shaft, which is positioned in the pre-pressing cavity, is provided with a cam; the pre-pressing cavity is in sliding connection with a pre-pressing block; a piston cavity is formed in the machine body at one side of the cam, which is far away from the pre-pressing block; a piston rod is arranged in the piston cavity and fixedly connected with the pre-pressing block; a spring is sleeved on a piston rod positioned in the piston cavity;
The method comprises the steps that a worker starts a motor, a motor drive shaft rotates, a third bevel gear is driven to rotate, a fourth bevel gear which is meshed with the transmission is driven to rotate while the third bevel gear rotates, the fourth bevel gear rotates to drive a rotating shaft to rotate, a cam is driven to rotate in the rotating process of the rotating shaft, when a convex part of the cam rotates downwards, the cam pushes a pre-pressing block to move downwards, the pre-pressing block moves downwards along a pre-pressing cavity to strike an asphalt pavement paved by a paving plate, so that the asphalt pavement is preliminarily compacted, and a cracking phenomenon of the asphalt pavement after paving is completed is avoided; because the pre-pressing block impacts the asphalt pavement downwards, the piston rod in the piston cavity moves downwards under the action of the pre-pressing block, and at the moment, the spring sleeved on the piston rod is extruded and contracted; when the protruding part of the cam rotates to one side far away from the pre-pressing block, the pre-pressing block loses the thrust action of the cam, the spring stretches and resets to drive the piston rod to move upwards, the piston rod impacts the machine body upwards under the action of the elastic force of the spring, so that asphalt on the material conveying groove vibrates, and the asphalt can quickly move from the material conveying groove to the material conveying opening.
Preferably, the stirring assembly comprises: a stirring barrel; the stirring barrel is fixedly connected to the top of the machine body, and an electric heating device is arranged on the inner wall of the stirring barrel; a stirring shaft is arranged in the stirring barrel and is rotationally connected with the stirring barrel, a fixing frame is arranged at the top of the stirring barrel, a motor is arranged at the bottom of the fixing frame, a driving shaft of the motor is connected with the stirring shaft, and a plurality of stirring rods are arranged on the stirring shaft;
A worker starts a motor and an electric heating device through a controller, then the asphalt material is poured into the stirring barrel, and a motor driving shaft rotates to drive the stirring shaft to rotate; the stirring shaft rotates to drive the stirring rod to rotate, the stirring rod immediately stirs asphalt, the asphalt is stirred by the stirring rod and turns in the stirring barrel, the stirring shaft stirs asphalt, the electric heating device heats the asphalt in the stirring barrel, and the asphalt stirring rod and the electric heating device are heated uniformly under the mutual cooperation.
Preferably, the stirring rod comprises: a horizontal stirring rod, an obliquely upper stirring rod and an obliquely lower stirring rod; the horizontal stirring rod, the inclined upper stirring rod and the inclined lower stirring rod are arranged in a surrounding and staggered mode around the stirring shaft and are not on the same horizontal plane, a scraping groove is formed in the inclined lower stirring rod, an air cylinder is rotatably arranged in the scraping groove, and a scraping plate is arranged on the scraping groove; the scraping plate is hinged with the scraping groove through an air cylinder; the cylinder rod is rotationally connected with the scraping plate;
when asphalt materials are required to be heated and stirred, a worker starts a motor, a motor driving shaft drives a stirring shaft to rotate, and in the process of the rotation of the stirring shaft, a horizontal stirring rod, an obliquely lower stirring rod and an obliquely upper stirring rod are driven to rotate, and the stirring rod uniformly stirs the asphalt materials; after the asphalt paving operation is finished, as the asphalt has certain viscosity, part of the asphalt can be adhered to the surface of the stirring barrel, at the moment, a worker pushes the air cylinder rod in the scraping groove to push the scraping plate to push out of the scraping groove through the controller, the scraping plate is pushed out to be in contact with the inner wall of the stirring barrel, then the worker starts a motor, the motor drive shaft drives the stirring shaft to rotate, the stirring shaft drives the inclined stirring rod to rotate, the inclined stirring rod drives the scraping plate to rotate, the stirring barrel inner wall is scraped in the rotating process of the scraping plate, the asphalt adhered to the stirring barrel inner wall is scraped, the manual cleaning workload of the worker is reduced, and the cleaning efficiency is improved; when the cleaning of the inner wall of the stirring barrel is completed, a worker controls the air cylinder rod to shrink through the controller, the air cylinder rod rotates downwards in the shrinking process, and the scraping plate is retracted into the scraping groove under the action of the air cylinder rod.
Preferably, a material conveying groove is formed in the top of the machine body, and a material conveying opening is formed in the machine body; one end of the material conveying groove is communicated with the bottom of the stirring barrel, and the other end of the material conveying groove is communicated with the material conveying opening; an electromagnetic door is arranged at the communication part between the bottom of the stirring barrel and the material conveying groove; the surfaces of the machine body at two sides of the conveying chute are provided with sliding ways, and the sliding ways are connected with poking claws in a sliding way; the poking claw teeth are connected with the bottom of the conveying chute in a sliding manner; a miniature motor is arranged at one end of the poking claw, which is close to the slideway; a vibrating module is arranged in the claw teeth of the poking claw;
when asphalt in the stirring barrel reaches a paving condition, a worker opens an electromagnetic door at the communication part of the bottom of the stirring barrel and the material conveying groove through the controller, the asphalt in the stirring barrel flows into the material conveying groove through the electromagnetic door, the worker starts a micro motor arranged in a stirring claw, the micro motor drives the stirring claw to slide on a slide way, the stirring claw slides back and forth along the slide way, in the sliding process of the stirring claw, claw teeth of the stirring claw stir the asphalt flowing into the material conveying groove to quickly move towards a material conveying opening, the time from the discharging of the asphalt to paving is shortened, and the asphalt paving efficiency is improved; the stirring claw contacts with the material conveying groove in the moving process, and the claw teeth of the stirring claw scrape off the asphalt attached to the surface of the material conveying groove, so that the phenomenon of blockage caused by viscosity reduction on the material conveying groove at the temperature of the asphalt is avoided; when stirring the claw to the pitch material that flows on the material conveying groove, the staff starts vibration module, and vibration module produces immediately for pitch material removes to the material conveying mouth fast under the effect of vibration, and vibration module produces the vibration, and vibration transmission is to the material conveying groove on, makes the material conveying groove produce the vibration, makes pitch material be difficult for adhering to at material conveying groove surface, leads to the material conveying groove to appear blocking phenomenon.
Preferably, the material conveying mouth bottom is provided with the even subassembly of spreading, the even subassembly of spreading includes: the rotating cavity is arranged in the machine body; the rotating cavity consists of a circular cavity and a fan-shaped cavity, a swinging block is arranged in the rotating cavity, and the swinging block consists of a cylindrical block and a baffle plate; the swinging block is connected with a motor; the swing block is connected with a shaft, and a splitter plate is fixedly connected at one end of the shaft, which penetrates through the machine body and is positioned at the material conveying opening; the flow dividing plate is rotationally connected with the side wall of the material conveying opening; a pressure sensor is arranged on one side of the material conveying groove close to the material conveying opening; a diversion block is arranged on the material conveying groove; the bottom of the material conveying opening is provided with an inclined plate; a pressure detector is arranged in the included angle between the inclined plate and the machine body;
when asphalt material is lifted through the material conveying groove and enters the material conveying opening, firstly, the asphalt enters the material conveying opening, the asphalt is divided into five sections by the flow dividing blocks, then the asphalt flows through the pressure sensor, the pressure sensor converts pressure signals of the flowing asphalt into electric signals, the electric signals are transmitted to the controller, the controller analyzes and compares whether the pressures of the asphalt flowing between adjacent flow dividing blocks are the same at the same time, if the pressures of the asphalt flowing between the adjacent flow dividing blocks are the same, the flow dividing plates are in a vertical state with a road surface, and the asphalt flowing through the flow dividing plates is paved on the road surface; if the asphalt flows into the conveying section with the larger asphalt flow, the controller controls the motor swinging block to swing in the rotating cavity, the swinging block drives the flow dividing plate to rotate, and the lower end of the flow dividing plate rotates towards the side with the smaller flow, so that the asphalt flows into the conveying section with the smaller asphalt flow, and the asphalt is evenly spread on the road surface; asphalt flowing through the flow dividing plate encounters the inclined plate, the inclined plate is extruded by asphalt, the inclined plate extrudes the pressure detector, the pressure detector converts pressure signals of the asphalt into electric signals to be transmitted to the controller, the controller is more than whether the asphalt flow flowing through is the same, if the asphalt flow is the same, the controller controls the motor to drive the swinging block to reset, and the flow dividing plate is in a vertical state with a road surface.
Preferably, one end of the machine body far away from the compression roller is symmetrically provided with auxiliary wheels, one side of the machine body close to the auxiliary wheels is provided with a sliding cavity, and the fixed end of the auxiliary wheels is connected in a sliding mode in the sliding cavity;
before asphalt pavement operation, a worker adjusts the toe-in distance between the auxiliary wheels according to the width of a paved road, and controls the fixed ends of the auxiliary wheels to slide outwards along the sliding cavity through the controller, so that the toe-in distance between the auxiliary wheels is gradually increased, and the auxiliary wheels are positioned outside the road shoulder of the paved road; after the asphalt paving operation is finished, the controller controls the fixed end of the auxiliary wheel to slide inwards along the sliding cavity for resetting.
Preferably, a pulley is arranged in the transmission cavity and is in sliding connection with the rotating shaft;
when the asphalt paving operation is completed, a worker controls the pulley to rotate through the controller, in the process of rotating the pulley, the rotating shaft is driven to move to one side of the pre-pressing cavity along the transmission cavity, in the process of moving the rotating shaft, the fourth bevel gear is separated from the meshed third bevel gear, the rotation of the fourth bevel gear is stopped after the fourth bevel gear is separated, and the rotation of the cam is stopped after the fourth bevel gear is stopped; the pre-pressing block loses the pushing of the cam to reset to stop the impact on the road surface, so that the pre-pressing block is prevented from always impacting the road surface, and the common road surface is prevented from cracking after being impacted.
Compared with the prior art, the invention has the following beneficial effects:
1. after asphalt is heated, a worker controls the electromagnetic door to open through the controller, heated asphalt flows into the material conveying opening through the electromagnetic door, the asphalt is poured into a pavement from the material conveying opening, the machine body moves forward while pouring the asphalt, and the recycling component recycles redundant asphalt into the stirring component while moving, so that the redundant asphalt is recycled, the waste of the asphalt is avoided, and the utilization rate of the asphalt is improved; in the process of forward movement of the machine body, the recycling component drives the pre-pressing component to pre-press asphalt, so that the primary shaping of the asphalt pavement is realized; after the pre-pressing assembly pre-presses, the asphalt pavement is pressed by the pressing roller, so that the asphalt pavement is further pressed and formed.
2. The spreading board pushes asphalt to level on a road surface, redundant asphalt is shoveled onto the spreading board by the spreading board, the redundant asphalt moves to one side far away from a first bevel gear under the action of the transmission auger, when the asphalt leaves the spreading board under the transmission action of the transmission auger, the asphalt falls onto the oblique conveying belt, workers start the oblique conveying belt and the L-shaped conveying belt between asphalt spreading operations, the oblique conveying belt conveys the redundant asphalt into the recovery box, the asphalt in the recovery box is conveyed by the L-shaped conveying belt, falls into the stirring barrel from the top of the L-shaped conveying belt, stirring and heating are carried out again, recycling of the redundant asphalt is achieved, waste of the asphalt is avoided, workers do not need to manually recycle the redundant asphalt, and workload of the workers is reduced.
3. When the protruding part of the cam rotates downwards, the cam pushes the pre-pressing block to move downwards, the pre-pressing block moves downwards along the pre-pressing cavity and impacts the asphalt pavement paved by the paving plate, so that the asphalt pavement is preliminarily compacted, and the cracking phenomenon of the asphalt pavement after paving is completed is avoided; because the pre-pressing block impacts the asphalt pavement downwards, the piston rod in the piston cavity moves downwards under the action of the pre-pressing block, and at the moment, the spring sleeved on the piston rod is extruded and contracted; when the protruding part of the cam rotates to one side far away from the pre-pressing block, the pre-pressing block loses the thrust action of the cam, the spring stretches and resets to drive the piston rod to move upwards, the piston rod impacts the machine body upwards under the action of the elastic force of the spring, so that asphalt on the material conveying groove vibrates, and the asphalt can quickly move from the material conveying groove to the material conveying opening.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a main body diagram of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the bottom structure of the present invention;
FIG. 4 is a schematic view of the internal structure of the present invention;
FIG. 5 is a schematic view of the construction of the precompression assembly of the present invention;
FIG. 6 is a schematic view of the structure of the recovery assembly of the present invention;
FIG. 7 is an enlarged view at A in FIG. 1;
fig. 8 is an enlarged view at B in fig. 4;
fig. 9 is an enlarged view at C in fig. 4;
FIG. 10 is a schematic view of the structure of the stirring rod;
FIG. 11 is a schematic view of the construction of the blanket assembly;
FIG. 12 is a schematic view of the structure of the toggle pawl and the slide;
fig. 13 is a schematic view of the structure of the obliquely downward stirring rod.
In the figure: 1. a body; 11. a press roller; 12. a motor cavity; 13. a material conveying groove; 14. a material conveying port; 15. an auxiliary wheel;
2. a recovery assembly; 21. paving a plate; 22. a transmission auger; 231. a first bevel gear; 232. a two-size bevel gear; 24. an inclined conveyor belt; 25. a recovery box; 26. an L-shaped conveyor belt;
3. a pre-pressing assembly; 31. a gear cavity; 311. a third bevel gear; 32. a pre-pressing cavity; 33. a transmission cavity; 34. a rotating shaft; 341. a fourth bevel gear; 35. a cam; 36. pre-pressing blocks; 37. a piston chamber; 38. a piston rod;
4. a stirring assembly; 41. a stirring barrel; 42. a stirring shaft; 43. a fixing frame; 44. a slideway; 45. a poking claw; 46. a stirring rod; 461. a horizontal stirring rod; 463. obliquely upward a stirring rod; 462. obliquely descending a stirring rod; 464. a wiper groove; 465. a wiper plate;
5. Paving the components uniformly; 51. a rotating chamber; 52. a swinging block; 53. a diverter plate; 54. a shunt block; 55. and a sloping plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-13, the present invention provides the following technical solutions:
an asphalt paving device for road construction with a surplus material recovery function, comprising: a machine body 1; the bottom of the machine body 1 is provided with a press roller 11; the bottom of the machine body 1 is provided with a recovery component 2, and the recovery component 2 is used for recovering redundant asphalt binder; a pre-pressing assembly 3 is arranged in the machine body 1, and the pre-pressing assembly 3 is used for pre-pressing the laid asphalt binder; the top of the machine body 1 is provided with a stirring assembly 4, and the stirring assembly 4 is used for stirring and heating asphalt binder;
the motor is started by a worker, the motor drive shaft starts to rotate, the worker pours asphalt into the stirring assembly 4, the stirring assembly 4 stirs and heats the asphalt, after the asphalt is heated, the worker controls the electromagnetic door to open, the heated asphalt flows into the material conveying opening 14 through the electromagnetic door, the asphalt is poured into the pavement from the material conveying opening 14, the machine body 1 is moved forward while pouring the asphalt, the recycling assembly 2 recycles the redundant asphalt into the stirring assembly 4 while the machine body 1 is moved, so that the redundant asphalt is recycled, the waste of the asphalt is avoided, and the utilization rate of the asphalt is improved; in the process that the machine body 1 moves forwards, the recycling component 2 drives the pre-pressing component 3 to pre-press asphalt, so that the primary shaping of an asphalt pavement is realized; after being pre-pressed by the pre-pressing assembly 3, the asphalt pavement is pressed by the pressing roller 11, so that the asphalt pavement is further pressed and formed.
As a specific embodiment of the present invention, an auxiliary wheel 15 is symmetrically disposed at one end of the machine body 1 away from the press roller 11, a sliding cavity is disposed at one side of the machine body 1 close to the auxiliary wheel 15, and a fixed end of the auxiliary wheel 15 is slidably connected in the sliding cavity;
before asphalt pavement operation, workers adjust the toe-in distance between the auxiliary wheels 15 according to the width of a paved road, and the fixed ends of the auxiliary wheels 15 are controlled by the controller to slide outwards along the sliding cavity, so that the toe-in distance between the auxiliary wheels 15 is gradually increased, and the auxiliary wheels 15 are positioned outside the road shoulder of the paved road; after the asphalt paving operation is finished, the fixed end of the auxiliary wheel 15 is controlled by the controller to slide inwards along the sliding cavity for resetting.
As a specific embodiment of the present invention, the recovery unit 2 includes: the flat plate 21 is fixedly connected to the bottom of the machine body 1, and the flat plate 21 is L-shaped; a transmission auger 22 is arranged on one side of the paving plate 21, which is close to the bottom of the machine body 1, the transmission auger 22 is in sliding connection with the paving plate 21, and threads on two sides of the transmission auger 22 are oppositely arranged; a first bevel gear 231 is symmetrically arranged at the center of the transmission auger 22; a motor cavity 12 is formed in the machine body 1, a motor is installed in the motor cavity 12, a motor driving shaft penetrates through the machine body 1 and is provided with a second bevel gear 232, and the second bevel gear 232 is meshed with a first bevel gear 231;
Oblique conveyor belts 24 are symmetrically arranged on two sides of the machine body 1; one end of the inclined conveyor belt 24 is contacted with the ground and is parallel to the paving plate 21; the other end is communicated with a recovery box 25, and the recovery boxes 25 are symmetrically arranged at two sides of the stirring assembly 4; an L-shaped conveyor belt 26 is arranged between the recovery box 25 and the stirring assembly 4;
before the machine body 1 performs asphalt paving operation, a worker starts a motor in the motor cavity 12 through a controller, a motor driving shaft rotates to drive a secondary bevel gear 232 to rotate, the secondary bevel gear 232 drives a primary bevel gear 231 to carry out meshing transmission, as the two primary bevel gears 231 are symmetrically arranged, the rotation directions of the primary bevel gears 231 are opposite, the left primary bevel gear 231 drives the left transmission auger 22 to rotate towards one side close to the left oblique conveyor belt 24, the right primary bevel gear 231 drives the right transmission auger 22 to rotate towards one side close to the right oblique conveyor belt 24, asphalt falls to a road surface through a feed inlet 14, and the fallen asphalt is accumulated on the road surface, and in the process that the machine body 1 moves forwards;
the paving plate 21 pushes asphalt to level on a road surface, the redundant asphalt is shoveled onto the paving plate 21 by the paving plate 21, the redundant asphalt moves to one side far away from the first bevel gear 231 under the action of the conveying auger 22, when the asphalt leaves the paving plate 21 under the conveying action of the conveying auger 22, the asphalt falls onto the inclined conveyor belt 24, workers start the inclined conveyor belt 24 and the L-shaped conveyor belt 26 between asphalt paving operations, the inclined conveyor belt 24 conveys the redundant asphalt into the recovery box 25, the asphalt in the recovery box 25 is conveyed by the L-shaped conveyor belt 26 and falls into the stirring barrel 41 from the top of the L-shaped conveyor belt 26, stirring and heating are carried out again, recycling of the redundant asphalt is achieved, waste of the asphalt is avoided, workers do not need to manually recover the redundant asphalt, and the workload of the workers is reduced.
As a specific embodiment of the present invention, the pre-pressing assembly 3 includes: the motor comprises a gear cavity 31, wherein the bottom of the motor cavity 12 is provided with the gear cavity 31, and a motor driving shaft positioned in the gear cavity 31 is provided with a third bevel gear 311; a pre-pressing cavity 32 is formed in one side, close to the press roller 11, of the gear cavity 31; a transmission cavity 33 is communicated between the pre-pressing cavity 32 and the gear cavity 31; a rotating shaft 34 is arranged in the transmission cavity 33; a fourth bevel gear 341 is arranged at one end of the rotating shaft 34, which is positioned in the gear cavity 31, and the fourth bevel gear 341 is meshed with the third bevel gear 311; one end of the rotating shaft 34, which is positioned in the pre-pressing cavity 32, is provided with a cam 35; a pre-pressing block 36 is connected in a sliding manner in the pre-pressing cavity 32; a piston cavity 37 is formed in the machine body 1 at one side, far away from the pre-pressing block 36, of the cam 35; a piston rod 38 is arranged in the piston cavity 37, and the piston rod 38 is fixedly connected with the pre-pressing block 36; a spring is sleeved on a piston rod 38 positioned in the piston cavity 37;
the motor is started by a worker, the motor drives the third bevel gear 311 to rotate in the rotating process of the motor driving shaft, the fourth bevel gear 341 which is meshed and driven is driven to rotate while the third bevel gear 311 rotates, the fourth bevel gear 341 rotates to drive the rotating shaft 34 to rotate, the cam 35 is driven to rotate in the rotating process of the rotating shaft 34, when the convex part of the cam 35 rotates downwards, the cam 35 pushes the pre-pressing block 36 to move downwards, the pre-pressing block 36 moves downwards along the pre-pressing cavity 32 to strike the asphalt pavement paved by the paving plate 21, so that the asphalt pavement is primarily compacted, and the cracking phenomenon of the asphalt pavement after the paving is completed is avoided; because the pre-pressing block 36 impacts the asphalt pavement downwards, the piston rod 38 in the piston cavity 37 moves downwards under the action of the pre-pressing block 36, and at the moment, the spring sleeved on the piston rod 38 is extruded and contracted; when the protruding part of the cam 35 rotates to the side far away from the pre-pressing block 36, the pre-pressing block 36 loses the thrust action of the cam 35, the spring stretches and resets to drive the piston rod 38 to move upwards, the piston rod 38 impacts the machine body 1 upwards under the elastic action of the spring, so that asphalt on the material conveying groove 13 vibrates, and the asphalt can quickly move from the material conveying groove 13 to the material conveying opening 14.
As a specific embodiment of the present invention, a pulley is disposed in the transmission cavity 33, and the pulley is slidably connected to the rotating shaft 34;
when the asphalt paving operation is completed, a worker controls the pulley to rotate through the controller, in the process of rotating the pulley, the rotating shaft 34 is driven to move towards the pre-pressing cavity 32 along the transmission cavity 33, in the process of moving the rotating shaft 34, the fourth bevel gear 341 is separated from the engaged third bevel gear 311, the rotation of the fourth bevel gear 341 is stopped after the separation, and the rotation of the fourth bevel gear 341 is stopped, and then the cam 35 is also stopped; the pre-pressing block 36 is not pushed by the cam 35 to reset to stop the impact on the road surface, so that the pre-pressing block 36 is prevented from always impacting the road surface, and the common road surface is prevented from cracking after being impacted.
As a specific embodiment of the present invention, the stirring assembly 4 includes: a stirring barrel 41; the stirring barrel 41 is fixedly connected to the top of the machine body 1, and an electric heating device is arranged on the inner wall of the stirring barrel 41; a stirring shaft 42 is arranged in the stirring barrel 41, the stirring shaft 42 is rotationally connected with the stirring barrel 41, a fixing frame 43 is arranged at the top of the stirring barrel 41, a motor is arranged at the bottom of the fixing frame 43, a driving shaft of the motor is connected with the stirring shaft 42, and a plurality of stirring rods 46 are arranged on the stirring shaft 42;
The worker starts the motor and the electric heating device through the controller, then pours asphalt into the stirring barrel 41, and the motor drive shaft rotates to drive the stirring shaft 42 to rotate; the stirring shaft 42 rotates to drive the stirring rod 46 to rotate, the stirring rod 46 immediately stirs asphalt, the asphalt is stirred by the stirring rod 46 and turned in the stirring barrel 41, the stirring shaft 42 stirs asphalt, the electric heating device heats the asphalt in the stirring barrel 41, and the asphalt stirring rod 46 and the electric heating device are uniformly heated under the mutual matching.
As an embodiment of the present invention, the stirring rod 46 includes: a horizontal stirring rod 461, an inclined upper stirring rod 463 and an inclined lower stirring rod 462; the horizontal stirring rod 461, the inclined upper stirring rod 463 and the inclined lower stirring rod 462 are arranged around the stirring shaft 42 in a staggered manner and are not on the same horizontal plane, the inclined lower stirring rod 462 is provided with a scraping groove 464, an air cylinder is rotatably arranged in the scraping groove 464, and the scraping groove 464 is provided with a scraping plate 465; the wiper plate 465 is hinged with the wiper groove 464 through a cylinder; the cylinder rod is rotatably connected with the scraping plate 465;
when the asphalt materials are required to be heated and stirred, a worker starts a motor, a motor driving shaft drives a stirring shaft 42 to rotate, and in the process of the rotation of the stirring shaft 42, a horizontal stirring rod 461, an inclined upper stirring rod 463 and an inclined lower stirring rod 462 are driven to rotate, and the stirring rod 46 uniformly stirs the asphalt materials; after the asphalt paving operation is finished, because asphalt has certain viscosity, part of asphalt can be attached to the surface of the stirring barrel 41, at the moment, a worker pushes the air cylinder rod in the scraping groove 464 to push the scraping plate 465 to push out of the scraping groove 464 through the controller, the scraping plate 465 contacts with the inner wall of the stirring barrel 41 after being pushed out, then the worker starts a motor, the motor driving shaft drives the stirring shaft 42 to rotate, the stirring shaft 42 drives the inclined lower stirring rod 462 to rotate, the inclined lower stirring rod 462 drives the scraping plate 465 to rotate, the inner wall of the stirring barrel 41 is scraped in the rotating process of the scraping plate 465, the asphalt attached to the inner wall of the stirring barrel 41 is scraped, the manual cleaning workload of the worker is reduced, the cleaning efficiency is improved, when the cleaning of the inner wall of the stirring barrel 41 is finished, the worker controls the air cylinder rod to shrink, the air cylinder rod to rotate downwards in the shrinking process, and the scraping plate 465 is retracted into the scraping groove 464 under the action of the air cylinder rod.
As a specific embodiment of the invention, a material conveying groove 13 is formed at the top of the machine body 1, and a material conveying opening 14 is formed in the machine body 1; one end of the material conveying groove 13 is communicated with the bottom of the stirring barrel 41, and the other end is communicated with the material conveying opening 14; an electromagnetic door is arranged at the communication part between the bottom of the stirring barrel 41 and the material conveying groove 13; the surfaces of the machine body 1 at two sides of the material conveying groove 13 are provided with slide ways 44, and the slide ways 44 are connected with poking claws 45 in a sliding manner; the claw teeth of the poking claw 45 are in sliding connection with the bottom of the conveying chute 13; a micro motor is arranged at one end of the poking claw 45 close to the slideway 44; a vibration module (not shown in the figure) is arranged in the claw teeth of the poking claw 45;
when the asphalt in the stirring barrel 41 reaches the paving condition, a worker opens an electromagnetic door at the communication position between the bottom of the stirring barrel 41 and the material conveying groove 13 through a controller, the asphalt in the stirring barrel 41 flows into the material conveying groove 13 through the electromagnetic door, the worker starts a micro motor arranged in a stirring claw 45, the micro motor drives the stirring claw 45 to slide on a slide way 44, the stirring claw 45 slides back and forth along the slide way 44, in the sliding process of the stirring claw 45, the claw teeth of the stirring claw 45 stir the asphalt flowing into the material conveying groove 13 to quickly move towards the material conveying opening 14, the time from the discharging of the asphalt to the paving is shortened, and the asphalt paving efficiency is improved; the poking claw 45 contacts the material conveying groove 13 in the moving process, and the claw teeth of the poking claw 45 scrape the asphalt attached to the surface of the material conveying groove 13, so that the phenomenon that the asphalt is reduced in viscosity on the material conveying groove 13 at the temperature to cause blockage is avoided;
When stirring the asphalt material flowing on the material conveying groove 13, the stirring claw 45 starts the vibration module by a worker, and the vibration module immediately generates vibration, so that the asphalt material moves to the material conveying opening 14 rapidly under the action of the vibration, the vibration module generates vibration, the vibration is transmitted to the material conveying groove 13, the material conveying groove 13 generates vibration, the asphalt material is not easy to adhere to the surface of the material conveying groove 13, and the material conveying groove 13 is blocked.
As a specific embodiment of the present invention, the bottom of the feeding port 14 is provided with a leveling assembly 5, and the leveling assembly 5 includes: a rotating cavity 51, wherein the rotating cavity 51 is arranged inside the machine body 1; the rotating cavity 51 consists of a circular cavity and a fan-shaped cavity, a swinging block 52 is arranged in the rotating cavity 51, and the swinging block 52 consists of a cylindrical block and a baffle plate; the swing block 52 is connected with a motor; the swing block 52 is connected with a shaft, and a splitter plate 53 is fixedly connected to one end of the shaft, which penetrates through the machine body 1 and is positioned at the material conveying port 14; the splitter plate 53 is rotationally connected with the side wall of the material conveying port 14; a pressure sensor is arranged on one side of the material conveying groove 13, which is close to the material conveying opening 14; a diversion block 54 is arranged on the material conveying groove 13; the bottom of the material conveying opening 14 is provided with an inclined plate 55; a pressure detector is arranged in the included angle between the inclined plate 55 and the machine body 1;
When asphalt material is lifted through the material conveying groove 13 and enters the material conveying opening 14, firstly, the asphalt enters the material conveying opening 14 and meets the flow dividing blocks 54, the flow dividing blocks 54 divide the asphalt into five sections, then the asphalt flows through the pressure sensor, the pressure sensor converts pressure signals of the flowing asphalt into electric signals, the electric signals are transmitted to the controller, the controller analyzes and compares whether the pressures of the asphalt flowing through adjacent flow dividing blocks 54 are the same or not in the same time, if the pressures of the asphalt flowing through adjacent flow dividing blocks are the same, the flow dividing plates 53 are in a vertical state with a road surface, and the asphalt flows through the flow dividing plates 53 and is paved on the road surface; if the asphalt flows in the asphalt feeding section, the lower end of the flow dividing plate 53 rotates to the side with smaller flow, so that the asphalt feeding section with larger flow flows to the asphalt feeding section with smaller flow, and the asphalt is evenly spread on the road surface; asphalt flowing through the flow dividing plate 53 encounters the inclined plate 55, the inclined plate 55 is extruded by asphalt, the inclined plate 55 extrudes the pressure detector, the pressure detector converts pressure signals of the asphalt into electric signals to be transmitted to the controller, the controller is more than whether the flow of the asphalt flowing through the flow dividing plate is the same, if the flow of the asphalt flowing through the flow dividing plate is the same, the controller controls the motor to drive the swinging block 52 to reset, and the flow dividing plate 53 is in a vertical state with a road surface.
The working principle of the invention is as follows:
before asphalt pavement operation, workers adjust the toe-in distance between the auxiliary wheels 15 according to the width of a paved road, and the fixed ends of the auxiliary wheels 15 are controlled by the controller to slide outwards along the sliding cavity, so that the toe-in distance between the auxiliary wheels 15 is gradually increased, and the auxiliary wheels 15 are positioned outside the road shoulder of the paved road; after the asphalt paving operation is finished, the fixed end of the auxiliary wheel 15 is controlled by the controller to slide inwards along the sliding cavity for resetting;
the worker starts the motor and the electric heating device through the controller, then pours asphalt into the stirring barrel 41, and the motor drive shaft rotates to drive the stirring shaft 42 to rotate; the stirring shaft 42 rotates to drive the stirring rod 46 to rotate, the stirring rod 46 immediately stirs asphalt, the asphalt is stirred by the stirring rod 46 and turns in the stirring barrel 41, the stirring shaft 42 stirs asphalt, the electric heating device heats the asphalt in the stirring barrel 41, and the asphalt stirring rod 46 and the electric heating device are uniformly heated under the mutual matching;
when the asphalt materials are required to be heated and stirred, a worker starts a motor, a motor driving shaft drives a stirring shaft 42 to rotate, and in the process of the rotation of the stirring shaft 42, a horizontal stirring rod 461, an inclined upper stirring rod 463 and an inclined lower stirring rod 462 are driven to rotate, and the stirring rod 46 uniformly stirs the asphalt materials; after the asphalt paving operation is finished, as asphalt has certain viscosity, part of asphalt can be adhered to the surface of the stirring barrel 41, at the moment, a worker pushes the scraping plate 465 to push out of the scraping groove 464 through the ejection of a cylinder rod in the controller, the scraping plate 465 is pushed out of the scraping groove 464 to be in contact with the inner wall of the stirring barrel 41, then the worker starts a motor, the motor drive shaft drives the stirring shaft 42 to rotate, the stirring shaft 42 drives the inclined lower stirring rod 462 to rotate, the inclined lower stirring rod 462 drives the scraping plate 465 to rotate, and the inner wall of the stirring barrel 41 is scraped in the rotating process of the scraping plate 465, so that the asphalt adhered to the inner wall of the stirring barrel 41 is scraped, the workload of manual cleaning of the worker is reduced, and the cleaning efficiency is improved; when the cleaning of the inner wall of the stirring barrel 41 is completed, a worker controls the air cylinder rod to shrink through the controller, the air cylinder rod rotates downwards in the shrinking process, and the scraping plate 465 is retracted into the scraping groove 464 under the action of the air cylinder rod;
When the asphalt in the stirring barrel 41 reaches the paving condition, a worker opens an electromagnetic door at the communication position between the bottom of the stirring barrel 41 and the material conveying groove 13 through a controller, the asphalt in the stirring barrel 41 flows into the material conveying groove 13 through the electromagnetic door, the worker starts a micro motor arranged in a stirring claw 45, the micro motor drives the stirring claw 45 to slide on a slide way 44, the stirring claw 45 slides back and forth along the slide way 44, in the sliding process of the stirring claw 45, the claw teeth of the stirring claw 45 stir the asphalt flowing into the material conveying groove 13 to quickly move towards the material conveying opening 14, the time from the discharging of the asphalt to the paving is shortened, and the asphalt paving efficiency is improved; the poking claw 45 contacts the material conveying groove 13 in the moving process, and the claw teeth of the poking claw 45 scrape the asphalt attached to the surface of the material conveying groove 13, so that the phenomenon that the asphalt is reduced in viscosity on the material conveying groove 13 at the temperature to cause blockage is avoided;
when the stirring claw 45 stirs the asphalt flowing on the material conveying chute 13, a worker starts a vibration module, and the vibration module immediately generates vibration, so that the asphalt moves to the material conveying opening 14 rapidly under the action of the vibration, the vibration module generates vibration, the vibration is transmitted to the material conveying chute 13, the material conveying chute 13 generates vibration, the asphalt is not easy to adhere to the surface of the material conveying chute 13, and the material conveying chute 13 is blocked;
When asphalt material is lifted through the material conveying groove 13 and enters the material conveying opening 14, firstly, the asphalt enters the material conveying opening 14 and meets the flow dividing blocks 54, the flow dividing blocks 54 divide the asphalt into five sections, then the asphalt flows through the pressure sensor, the pressure sensor converts pressure signals of the flowing asphalt into electric signals, the electric signals are transmitted to the controller, the controller analyzes and compares whether the pressures of the asphalt flowing through adjacent flow dividing blocks 54 are the same or not in the same time, if the pressures of the asphalt flowing through adjacent flow dividing blocks are the same, the flow dividing plates 53 are in a vertical state with a road surface, and the asphalt flows through the flow dividing plates 53 and is paved on the road surface; if the asphalt flows in the asphalt feeding section, the lower end of the flow dividing plate 53 rotates to the side with smaller flow, so that the asphalt feeding section with larger flow flows to the asphalt feeding section with smaller flow, and the asphalt is evenly spread on the road surface; asphalt flowing through the flow dividing plate 53 encounters the inclined plate 55, the inclined plate 55 is extruded by the asphalt, the inclined plate 55 extrudes the pressure detector, the pressure detector converts a pressure signal of the asphalt into an electric signal and transmits the electric signal to the controller, and if the flow rate of the controller is the same as that of the asphalt flowing through the flow dividing plate, the controller controls the motor to drive the swinging block 52 to reset, so that the flow dividing plate 53 is in a vertical state with a road surface;
Before the machine body 1 performs asphalt paving operation, a worker starts a motor in the motor cavity 12 through a controller, a motor driving shaft rotates to drive a secondary bevel gear 232 to rotate, the secondary bevel gear 232 drives a primary bevel gear 231 to carry out meshing transmission, as the two primary bevel gears 231 are symmetrically arranged, the rotation directions of the primary bevel gears 231 are opposite, the left primary bevel gear 231 drives the left transmission auger 22 to rotate towards one side close to the left oblique conveyor belt 24, the right primary bevel gear 231 drives the right transmission auger 22 to rotate towards one side close to the right oblique conveyor belt 24, asphalt falls to a road surface through a feed inlet 14, and the fallen asphalt is accumulated on the road surface, and in the process that the machine body 1 moves forwards;
the paving plate 21 pushes asphalt to level on a pavement, the redundant asphalt is shoveled onto the paving plate 21 by the paving plate 21, the redundant asphalt moves to one side far away from the first bevel gear 231 under the action of the conveying auger 22, when the asphalt leaves the paving plate 21 under the action of the conveying auger 22, the asphalt falls onto the inclined conveyor belt 24, a worker starts the inclined conveyor belt 24 and the L-shaped conveyor belt 26 between asphalt paving operations, the inclined conveyor belt 24 conveys the redundant asphalt into the recovery box 25, the asphalt in the recovery box 25 is conveyed by the L-shaped conveyor belt 26, falls into the stirring barrel 41 from the top of the L-shaped conveyor belt 26, and is stirred and heated again, so that the recycling of the redundant asphalt is realized, and the waste of the asphalt is avoided;
The motor is started by a worker, the motor drives the third bevel gear 311 to rotate in the rotating process of the motor driving shaft, the fourth bevel gear 341 which is meshed and driven is driven to rotate while the third bevel gear 311 rotates, the fourth bevel gear 341 rotates to drive the rotating shaft 34 to rotate, the cam 35 is driven to rotate in the rotating process of the rotating shaft 34, when the convex part of the cam 35 rotates downwards, the cam 35 pushes the pre-pressing block 36 to move downwards, the pre-pressing block 36 moves downwards along the pre-pressing cavity 32 to strike the asphalt pavement paved by the paving plate 21, so that the asphalt pavement is primarily compacted, and the cracking phenomenon of the asphalt pavement after the paving is completed is avoided; because the pre-pressing block 36 impacts the asphalt pavement downwards, the piston rod 38 in the piston cavity 37 moves downwards under the action of the pre-pressing block 36, and at the moment, the spring sleeved on the piston rod 38 is extruded and contracted; when the protruding part of the cam 35 rotates to the side far away from the pre-pressing block 36, the pre-pressing block 36 loses the thrust action of the cam 35, the spring stretches and resets to drive the piston rod 38 to move upwards, the piston rod 38 impacts the machine body 1 upwards under the elastic action of the spring, so that asphalt on the material conveying groove 13 vibrates, and the asphalt can quickly move from the material conveying groove 13 to the material conveying opening 14.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. An asphalt paving device for road construction with surplus material recovery function, which is characterized in that: comprising the following steps: a machine body (1); the bottom of the machine body (1) is provided with a press roller (11); the bottom of the machine body (1) is provided with a recovery component (2), and the recovery component (2) is used for recovering redundant asphalt binder; a pre-pressing assembly (3) is arranged in the machine body (1), and the pre-pressing assembly (3) is used for pre-pressing the laid asphalt binder; the top of the machine body (1) is provided with a stirring assembly (4), and the stirring assembly (4) is used for stirring and heating asphalt binder;
the recovery assembly (2) comprises: the flat plate (21) is fixedly connected to the bottom of the machine body (1), and the flat plate (21) is L-shaped; one side of the paving plate (21) close to the bottom of the machine body (1) is provided with a transmission auger (22), the transmission auger (22) is in sliding connection with the paving plate (21), and threads on two sides of the transmission auger (22) are oppositely arranged; a first bevel gear (231) is symmetrically arranged at the center of the transmission auger (22); a motor cavity (12) is formed in the machine body (1), a motor is installed in the motor cavity (12), a motor driving shaft penetrates through the machine body (1) and is provided with a second bevel gear (232), and the second bevel gear (232) is meshed with a first bevel gear (231);
Oblique conveyor belts (24) are symmetrically arranged on two sides of the machine body (1); one end of the inclined conveyor belt (24) is in contact with the ground and is parallel to the paving plate (21); the other end is communicated with a recovery box (25), and the recovery boxes (25) are symmetrically arranged at two sides of the stirring assembly (4); an L-shaped conveyor belt (26) is arranged between the recovery box (25) and the stirring assembly (4);
the pre-compression assembly (3) comprises: the motor comprises a gear cavity (31), wherein the bottom of the motor cavity (12) is provided with the gear cavity (31), and a motor driving shaft positioned in the gear cavity (31) is provided with a third bevel gear (311); a pre-pressing cavity (32) is formed in one side, close to the press roller (11), of the gear cavity (31); a transmission cavity (33) is communicated between the pre-pressing cavity (32) and the gear cavity (31); a rotating shaft (34) is arranged in the transmission cavity (33); a fourth bevel gear (341) is arranged at one end of the rotating shaft (34) positioned in the gear cavity (31), and the fourth bevel gear (341) is meshed with the third bevel gear (311); one end of the rotating shaft (34) positioned in the pre-pressing cavity (32) is provided with a cam (35); a pre-pressing block (36) is connected in the pre-pressing cavity (32) in a sliding way; a piston cavity (37) is formed in the machine body (1) at one side of the cam (35) away from the pre-pressing block (36); a piston rod (38) is arranged in the piston cavity (37), and the piston rod (38) is fixedly connected with the pre-pressing block (36); a piston rod (38) positioned in the piston cavity (37) is sleeved with a spring;
The stirring assembly (4) comprises: a stirring barrel (41); the stirring barrel (41) is fixedly connected to the top of the machine body (1), and an electric heating device is arranged on the inner wall of the stirring barrel (41); a stirring shaft (42) is arranged in the stirring barrel (41), the stirring shaft (42) is rotationally connected with the stirring barrel (41), a fixing frame (43) is arranged at the top of the stirring barrel (41), a motor is arranged at the bottom of the fixing frame (43), a motor driving shaft is connected with the stirring shaft (42), and a plurality of stirring rods (46) are arranged on the stirring shaft (42);
the stirring rod (46) comprises: a horizontal stirring rod (461), an inclined upper stirring rod (463) and an inclined lower stirring rod (462); the horizontal stirring rod (461), the inclined upper stirring rod (463) and the inclined lower stirring rod (462) are arranged around the stirring shaft (42) in a surrounding and staggered mode and are not on the same horizontal plane, the inclined lower stirring rod (462) is provided with a scraping groove (464), an air cylinder is rotatably arranged in the scraping groove (464), and the scraping groove (464) is provided with a scraping plate (465); the scraping plate (465) is hinged with the scraping groove (464) through a cylinder; the cylinder rod is rotationally connected with the scraping plate (465);
a material conveying groove (13) is formed in the top of the machine body (1), and a material conveying opening (14) is formed in the machine body (1); one end of the material conveying groove (13) is communicated with the bottom of the stirring barrel (41), and the other end of the material conveying groove is communicated with the material conveying opening (14); an electromagnetic door is arranged at the communication part between the bottom of the stirring barrel (41) and the material conveying groove (13); a slideway (44) is arranged on the surface of the machine body (1) at two sides of the material conveying groove (13), and a poking claw (45) is connected to the slideway (44) in a sliding manner; the claw teeth of the poking claw (45) are in sliding connection with the bottom of the material conveying groove (13); a micro motor is arranged at one end of the poking claw (45) close to the slideway (44); a vibrating module is arranged in the claw teeth of the poking claw (45);
The conveying mouth (14) bottom is provided with evenly spreads subassembly (5), evenly spread subassembly (5) include: a rotating cavity (51), wherein the rotating cavity (51) is arranged in the machine body (1); the rotating cavity (51) consists of a circular cavity and a fan-shaped cavity, a swinging block (52) is arranged in the rotating cavity (51), and the swinging block (52) consists of a cylindrical block and a baffle plate; the swinging block (52) is connected with a motor; the swing block (52) is connected with a shaft, and a splitter plate (53) is fixedly connected at one end of the shaft, which penetrates through the machine body (1) and is positioned at the material conveying opening (14); the splitter plate (53) is rotationally connected with the side wall of the material conveying opening (14); a pressure sensor is arranged on one side of the material conveying groove (13) close to the material conveying opening (14); a diversion block (54) is arranged on the material conveying groove (13); an inclined plate (55) is arranged at the bottom of the material conveying opening (14); a pressure detector is arranged in an included angle between the inclined plate (55) and the machine body (1).
2. The asphalt paving machine for road construction with a surplus material recovery function according to claim 1, wherein: the machine body (1) is provided with auxiliary wheels (15) at one end far away from the compression roller (11), a sliding cavity is formed in one side, close to the auxiliary wheels (15), of the machine body (1), and the fixed end of the auxiliary wheels (15) is connected in a sliding mode in the sliding cavity.
3. The asphalt paving machine for road construction with a surplus material recovery function according to claim 1, wherein: the transmission cavity (33) is internally provided with a pulley, and the pulley is in sliding connection with the rotating shaft (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| KR200364481Y1 (en) * | 2004-07-20 | 2004-10-19 | 주식회사 선엔지니어링 | The pavement system of a road |
| CN109944139A (en) * | 2019-04-08 | 2019-06-28 | 深圳市市政工程总公司 | Bitumen pavement construction equipment |
| CN110468665A (en) * | 2019-08-22 | 2019-11-19 | 詹赛红 | A kind of road construction asphalt paving device |
| CN210066453U (en) * | 2019-04-04 | 2020-02-14 | 广州市和富市政工程有限公司 | Asphalt pavement pit slot paver |
| CN212956079U (en) * | 2020-07-13 | 2021-04-13 | 王军礼 | Highway maintenance road surface crack pouring device |
| CN114086449A (en) * | 2021-12-22 | 2022-02-25 | 蒲水山 | High-speed asphalt pavement construction device and construction method |
| CN114108428A (en) * | 2021-12-07 | 2022-03-01 | 浙江明通建设工程有限公司 | Asphalt laying equipment for municipal engineering building |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200364481Y1 (en) * | 2004-07-20 | 2004-10-19 | 주식회사 선엔지니어링 | The pavement system of a road |
| CN210066453U (en) * | 2019-04-04 | 2020-02-14 | 广州市和富市政工程有限公司 | Asphalt pavement pit slot paver |
| CN109944139A (en) * | 2019-04-08 | 2019-06-28 | 深圳市市政工程总公司 | Bitumen pavement construction equipment |
| CN110468665A (en) * | 2019-08-22 | 2019-11-19 | 詹赛红 | A kind of road construction asphalt paving device |
| CN212956079U (en) * | 2020-07-13 | 2021-04-13 | 王军礼 | Highway maintenance road surface crack pouring device |
| CN114108428A (en) * | 2021-12-07 | 2022-03-01 | 浙江明通建设工程有限公司 | Asphalt laying equipment for municipal engineering building |
| CN114086449A (en) * | 2021-12-22 | 2022-02-25 | 蒲水山 | High-speed asphalt pavement construction device and construction method |
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| CN114753215A (en) | 2022-07-15 |
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