CN114411487A - Environment-friendly mixing device for asphalt road paving material - Google Patents
Environment-friendly mixing device for asphalt road paving material Download PDFInfo
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- CN114411487A CN114411487A CN202210087803.XA CN202210087803A CN114411487A CN 114411487 A CN114411487 A CN 114411487A CN 202210087803 A CN202210087803 A CN 202210087803A CN 114411487 A CN114411487 A CN 114411487A
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- asphalt
- grinding
- feeding
- mineral aggregate
- collection
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—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
- E01C19/05—Crushing, pulverising or disintegrating apparatus; Aggregate screening, cleaning, drying or heating apparatus; Dust-collecting arrangements specially adapted therefor
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—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
- E01C19/08—Apparatus for transporting and heating or melting asphalt, bitumen, tar, or the like
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses an environment-friendly mixing device for asphalt road paving materials, which comprises: the device comprises a conveying device, a feeding device, a covering device, a collecting device and a melting device. The environment-friendly mixing device for the asphalt road paving material can be directly arranged on a paving vehicle, the paving material can be manufactured at any time, one vehicle is not required to be pulled and sent, the waste caused by solidification and adhesion of asphalt concrete in the transportation process is avoided, the mixing device can smash recovered old road surfaces or mineral aggregates through the feeding device, the size of a required asphalt concrete block can be adjusted at any time according to the actual condition of the road surface, the unit area content of asphalt during pavement is reduced, the air pollution of the paved road surface is further reduced, the waste is avoided, the production cost is saved, the collecting device can collect the mineral aggregates wrapping the asphalt and carry out secondary filtration on liquid asphalt, and the redundant asphalt on the mineral aggregates is reduced.
Description
Technical Field
The invention relates to the technical field of pavement material manufacturing, in particular to an environment-friendly mixing device for asphalt highway paving materials.
Background
At present, in the laying and construction of asphalt roads, trucks are adopted to pull and send mineral aggregates wrapping asphalt, the mineral aggregates are laid after being heated for the second time in a paving vehicle, therefore, the requirements on the transportation time and the heat preservation in the transportation process are strict, the adhesion can be caused when the transportation time is too long or the temperature of asphalt on the vehicle is too low, the asphalt concrete on the vehicle is scrapped, moreover, the asphalt concrete is directly stirred with the liquid asphalt by adopting mineral aggregate, so that the process requirement is strict, the problems of softer paving material, longer solidification time, lower bonding strength among the mineral aggregates and the like can be caused if more mineral aggregate is contained in the asphalt, meanwhile, the air pollution caused by the asphalt is larger, the condition of uneven asphalt coverage can occur when the asphalt is less and the mineral aggregate is more, so that part of the mineral aggregate is not wrapped by the asphalt, the service life is short after solidification, and the maintenance times and the maintenance cost are increased. Accordingly, there is a need for an environmentally friendly mixing device for asphalt road paving materials that at least partially solves the problems of the prior art.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides an eco-friendly mixing apparatus for asphalt road pavement, comprising: the device comprises a conveying device, a feeding device, a covering device, a collecting device and a melting device;
the feeding device is arranged at the starting end of the conveying device and is used for mashing and conveying the mineral aggregate to the conveying device;
the collecting device is arranged at the terminating end of the conveying device and is used for collecting the mineral aggregate wrapped with the asphalt to be used;
the covering device is arranged above the conveying device and is used for coating the liquid asphalt on the mineral aggregate;
and a liquid collecting tank is arranged below the conveying device, and the melting device is respectively communicated with the liquid collecting tank and the material covering device.
Preferably, the feeding device comprises a feeding part, a grinding head and a mortar cover; the grinding head is arranged in the feeding portion, the mortar cover is arranged at the end of the feeding portion, one end of the grinding head penetrates through the feeding portion and is connected with the first transmission device, the other end of the grinding head is connected with the mortar cover through a shaft, a discharge port is formed in the mortar cover, and the discharge port is arranged in the vertical direction and is located above the transmission device.
Preferably, the feeding section comprises a feeding pipe and a grinding pipe; the grinding pipe is the horizontal direction setting, the inlet pipe sets up the one end of grinding pipe to set up along vertical direction, the other end of inlet pipe with the mortar lid is connected.
Preferably, a connecting rod is arranged at one end of the grinding head, the connecting rod penetrates through the grinding pipe and is connected with the first transmission device, a ball grinding head is arranged at the other end of the grinding head, the end part of the ball grinding head is connected with the mortar cover through a shaft, a grinding area is arranged in the mortar cover and is adapted to the ball grinding head, and a crushing area and a feeding area are arranged on the outer wall of the grinding head; the crushing area is positioned below the feeding pipe, and the feeding area is positioned between the crushing area and the ball grinding head.
Preferably, the conveyor comprises two fixed plates, a track assembly, a grid and a drainage plate; the track subassembly the grid with the drainage plate all sets up two between the fixed plate, the drainage plate is located the below of track subassembly, and the end that terminates of drainage plate is located the top of collecting tank, the grid sets up the top surface of drainage plate, the track subassembly sets up the top of grid, the initiating terminal of track subassembly is located the below of discharge gate, the end that terminates of track subassembly is located the top of collecting tank, the mineral aggregate via of parcel pitch the track subassembly gets into collection device.
Preferably, the track assembly comprises a plurality of crankshafts and a plurality of conveyor belts; the two ends of the crankshaft are respectively arranged on the fixed plate and connected with the fixed plate shaft, one end of the crankshaft is connected with the second transmission device, the conveying belt is sleeved on the crankshaft through a shaft sleeve, and a plurality of protruding teeth are arranged on the outer surface of the conveying belt.
Preferably, a liquid inlet of the melting device is communicated with a liquid outlet of the liquid collecting tank, a slope is arranged on the inner bottom surface of the liquid collecting tank, so that the asphalt in the liquid collecting tank can flow to the liquid outlet, a filling opening is formed in the melting device, a third transmission device is arranged in the melting device, and the third transmission device conveys the asphalt melted in the melting device to the material covering device.
Preferably, the material covering device comprises an outer cylinder, an inner cylinder and an induction coil; the inner cylinder is arranged in the outer cylinder and is communicated with the melting device through a feeding pipe, a plurality of circulation pipes are arranged on the inner cylinder and penetrate through the inner cylinder and the outer cylinder, the induction coil is arranged between the outer cylinder and the inner cylinder, and heat conduction oil is filled between the outer cylinder and the inner cylinder.
Preferably, the collecting device comprises a fixed frame, a collecting assembly and a fourth transmission device; the lateral wall of mount is provided with the supporter, be provided with the finished product case on the supporter, the both ends of gathering the subassembly respectively with the mount hub connection, fourth transmission sets up on the lateral wall of mount and with the one end of gathering the subassembly is connected, the other end of gathering the subassembly is located the top of supporter runs through the mount.
Preferably, the collection assembly comprises a collection barrel and a spiral roller; the spiral roller sets up in the collection bucket, and the one end of spiral roller runs through the collection bucket with fourth transmission connects, the one end of collecting the bucket runs through the mount with fourth transmission connects, the other end of collecting the bucket runs through the supporter, and is located the top of supporter, the outer wall of collection bucket is provided with a plurality of collecting plate and a plurality of feed port, the collecting plate is located in the mount, and the edge of collecting plate is provided with a plurality of waterlogging caused by excessive rainfall mouth, the feed port is located the collecting plate with the junction of collection bucket.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. the environment-friendly mixing device for the asphalt road paving material can be directly arranged on a road paving vehicle, can manufacture the paving material at any time, does not need to be pulled by one vehicle, avoids the waste caused by solidification and adhesion of asphalt concrete in the transportation process, can smash the recovered old road surface or mineral aggregate through the feeding device, can adjust the size of the required asphalt concrete block at any time according to the actual condition of the road surface, can bump and turn the mineral aggregate in the transportation process of the mineral aggregate through the conveying device, enables the material covering device to uniformly sprinkle the asphalt on the surface of the mineral aggregate, and can shake off the redundant asphalt under the bump of the conveying device, reduce the unit area content of the asphalt when the road surface is paved, further reduce the air pollution of the paved road surface and simultaneously reduce the asphalt on the surface of the mineral aggregate along with the reduction of the asphalt on the surface of the mineral aggregate, the bonding dynamics between the mineral aggregate and the solidification rate all can promote to reduce the cooling time of pitch highway, increase the shaping efficiency of pitch highway, liquid collecting tank and melting device intercommunication can carry out recycle with unnecessary pitch, avoid causing the waste, practice thrift manufacturing cost, and collection device can collect the mineral aggregate of parcel pitch and carry out secondary filter to liquid pitch, reduces unnecessary pitch on the mineral aggregate.
Other advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of an environment-friendly mixing apparatus for asphalt road pavement according to the present invention.
Fig. 2 is a sectional view of a feeding device in the eco-friendly mixing apparatus for asphalt pavement according to the present invention.
FIG. 3 is a schematic view of the polishing head shown in FIG. 2.
Fig. 4 is a sectional view of the feeding part of fig. 2.
Fig. 5 is a schematic view of the construction of the bowl cover of fig. 2.
Fig. 6 is a schematic view showing the construction of a conveyor of the eco-friendly mixing apparatus for asphalt road pavement according to the present invention.
Fig. 7 is a schematic structural view of a track assembly in the environment-friendly mixing device for asphalt pavement according to the present invention.
Fig. 8 is a schematic view of the structure of the conveyor belt of fig. 7.
Fig. 9 is a partial structural view of a covering device of the eco-friendly mixing apparatus for asphalt road pavement according to the present invention.
Fig. 10 is a schematic structural view of a covering device in the eco-friendly mixing device for asphalt road pavement according to the present invention.
FIG. 11 is a schematic view showing the structure of a collecting device of the eco-friendly mixing device for asphalt road pavement according to the present invention.
Fig. 12 is a sectional view of a collecting device in the eco-friendly mixing device for asphalt pavement according to the present invention.
Fig. 13 is a side view of a collection barrel in the eco-friendly mixing apparatus for asphalt pavement according to the present invention.
Fig. 14 is a schematic view of the position of the collecting barrel on the fixing frame in the environment-friendly mixing device for asphalt road paving material according to the present invention.
In the figure: 1 conveying device, 11 fixing plates, 12 crawler assemblies, 121 crankshafts, 122 conveying belts, 123 shaft sleeves, 13 grids, 14 flow guide plates, 2 feeding devices, 21 grinding heads, 211 connecting rods, 212 ball grinding heads, 213 crushing areas, 214 feeding areas, 22 grinding bowl covers, 221 discharging openings, 222 grinding areas, 23 feeding pipes, 24 grinding pipes, 3 coating devices, 31 outer cylinders, 32 inner cylinders, 33 flow pipes, 4 collecting devices, 41 fixing frames, 42 collecting assemblies, 421 collecting barrels, 422 spiral rollers, 423 collecting plates, 424 feeding holes, 425 draining openings, 43 fourth transmission devices, 44 storage racks, 5 melting devices, 6 liquid collecting boxes, 7 feeding pipes and 8 finished product boxes.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 14, the present invention provides an eco-friendly mixing apparatus for asphalt road pavement, comprising: the device comprises a conveying device 1, a feeding device 2, a covering device 3, a collecting device 4 and a melting device 5;
the feeding device 2 is arranged at the starting end of the conveying device 1 and is used for mashing and conveying mineral aggregates to the conveying device 1;
the collecting device 4 is arranged at the terminating end of the conveying device 1 and is used for collecting the mineral aggregate wrapped with the asphalt for use;
the material covering device 3 is arranged above the conveying device 1 and is used for coating liquid asphalt on mineral aggregate;
a liquid collecting tank 6 is arranged below the conveying device 1, and the melting device 5 is respectively communicated with the liquid collecting tank 6 and the covering device 3.
The working principle of the technical scheme is as follows: when mixing asphalt and mineral aggregate, firstly placing the mineral aggregate in a feeding device 2, wherein the feeding device 2 can crush the mineral aggregate into particles with required size, then the crushed mineral aggregate falls onto a conveying device 1 from the feeding device 2, the mineral aggregate can be conveyed from the starting end to the ending end of the conveying device 1, and when the mineral aggregate is conveyed on the conveying device 1, the mineral aggregate can be repeatedly bumped and turned over by the conveying device 1;
asphalt is transported to a covering device 3 after being melted in a melting device 5, when mineral aggregate passes through the covering device 3 along with a conveying device 1, liquid asphalt can be leaked from the covering device 3 and sprinkled on the mineral aggregate, along with jolting and turning of the mineral aggregate on the conveying device 1, the covering device 3 can evenly sprinkle the asphalt on the surface of the mineral aggregate, along with jolting of the conveying device 1, redundant liquid asphalt on the mineral aggregate can be shaken off, the liquid asphalt sprinkled by the covering device 3 and the shaken off asphalt can fall into a liquid collecting tank 6 below the conveying device 1 and are recycled into the melting device 5 for secondary utilization, the mineral aggregate coated with the liquid asphalt can be conveyed to a collecting device 4 by the conveying device 1 for collection, and the collected mineral aggregate coated with the asphalt can be used for paving roads.
The beneficial effects of the above technical scheme are that: through the design of the structure, the environment-friendly mixing device can be directly installed on a road paving vehicle and can manufacture paving materials at any time without pulling one vehicle to send, so that the solidification and adhesion of asphalt concrete in the transportation process are avoided, the mixing device can smash the recovered old road surface or mineral aggregate to pieces through the feeding device 2 and can adjust the size of the required asphalt concrete block at any time according to the actual condition of the road surface, the conveying device 1 can bump and turn the mineral aggregate in the process of conveying the mineral aggregate, so that the covering device 3 can uniformly sprinkle the asphalt on the surface of the mineral aggregate, the mineral aggregate sprinkled with the asphalt can shake off the redundant asphalt under the bump of the conveying device 1, the unit area content of the asphalt when the road surface is paved, the air pollution of the paved road surface is reduced, and the asphalt on the surface of the mineral aggregate is reduced, the bonding dynamics between the mineral aggregate and the solidification rate all can promote to reduce the cool time of pitch highway, increase the shaping efficiency of pitch highway, liquid collecting tank 6 and 5 intercommunications of melting device can carry out recycle with unnecessary pitch, avoid causing the waste, practice thrift manufacturing cost, collection device 4 can be collected the mineral aggregate of parcel pitch and carry out secondary filter to liquid pitch, reduce unnecessary pitch on the mineral aggregate.
In one embodiment, the feeding device 2 includes a feeding section, a grinding head 21, and a mortar cover 22; the grinding head 21 is arranged in the feeding part, the bowl grinding cover 22 is arranged at the end part of the feeding part, one end of the grinding head 21 penetrates through the feeding part and is connected with the first transmission device, the other end of the grinding head 21 is connected with the bowl grinding cover 22 through a shaft, a discharge hole 221 is arranged on the bowl grinding cover 22, and the discharge hole 221 is arranged in the vertical direction and is positioned above the conveying device 1. The feeding section comprises a feeding pipe 23 and a grinding pipe 24; the grinding pipe 24 is arranged in the horizontal direction, the feeding pipe 23 is arranged at one end of the grinding pipe 24 and is arranged along the vertical direction, and the other end of the feeding pipe 23 is connected with the bowl cover 22. A connecting rod 211 is arranged at one end of the grinding head 21, the connecting rod 211 penetrates through the grinding pipe 24 and is connected with the first transmission device, a ball grinding head 212 is arranged at the other end of the grinding head 21, the end of the ball grinding head 212 is connected with the grinding bowl cover 22 through a shaft, a grinding area 222 is arranged in the grinding bowl cover 22, the grinding area 222 is adapted to the ball grinding head 212, and a crushing area 213 and a feeding area 214 are arranged on the outer wall of the grinding head 21; the crushing zone 213 is located below the feed pipe 23, and the feed zone 214 is located between the crushing zone 213 and the ball grinder 212.
The working principle of the technical scheme is as follows: the mineral aggregate is fed from the feeding pipe 23, and the mineral aggregate moves downward under the action of gravity, and the mineral aggregate is firstly crushed by the crushing area 213 of the grinding head 21 to reduce the volume of the mineral aggregate, so as to avoid the mineral aggregate from being too large to enter the grinding area 222, and then the crushed mineral aggregate is conveyed to the grinding area 222 by the feeding area 214, and the mineral aggregate is ground into particles with a required size by the ball grinding heads 212 in the grinding area 222, and falls onto the conveying device 1 from the discharge port 221 when the particle size is smaller than the distance between the ball grinding heads 212 and the grinding area 222.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, it is protruding to be provided with on the inner wall of grinding tube 24 to be used for with pay-off district 214 matched with screw thread form, crushing district 213 can be by the protruding constitution of screw thread that has the breach, crushing district 213 is located the below of inlet pipe 23, under the effect of mineral aggregate gravity, can prevent that mineral aggregate from rolling on crushing district 213 and can't carry out the crushing operation, first transmission can drive connecting rod 211 and rotate and swing, and then make ball bistrique 212 can extrude and grind the mineral aggregate in grinding district 222, through the distance between adjustment ball bistrique 212 and the grinding district 222 alright the size of the mineral aggregate after the adjustment, and then make this mixing arrangement can carry out the size adjustment of mineral aggregate granule according to the road surface condition and the difference of laying the road bed.
In one embodiment, the conveyor 1 comprises two fixed plates 11, a track assembly 12, a grid 13, and a drainage plate 14; the track assembly 12, the grid 13 and the drainage plate 14 are all arranged between two fixing plates 11, the drainage plate 14 is positioned below the track assembly 12, the terminating end of the drainage plate 14 is positioned above the liquid collecting tank 6, the grid 13 is arranged on the top surface of the drainage plate 14, the track assembly 12 is arranged above the grid 13, the starting end of the track assembly 12 is positioned below the discharge port 221, the terminating end of the track assembly 12 is positioned above the liquid collecting tank 6, and mineral aggregates wrapping asphalt enter the collecting device 4 through the track assembly 12. The track assembly 12 includes a plurality of crankshafts 121 and a plurality of conveyor belts 122; the two ends of the crankshaft 121 are respectively arranged on the fixing plate 11 and are connected with the fixing plate 11 through a shaft, one end of the crankshaft 121 is connected with a second transmission device, the conveying belt 122 is sleeved on the crankshaft 121 through a shaft sleeve 123, and a plurality of protruding teeth are arranged on the outer surface of the conveying belt 122.
The working principle and the beneficial effects of the technical scheme are as follows: through the design of the structure, after the mineral aggregate is conveyed to the conveyor belt 122, the protruded teeth on the mineral aggregate can drive the mineral aggregate to move, gaps among the protruded teeth can also provide flowing space for the liquid asphalt so that the asphalt can be attached to the bottom surface of the mineral aggregate, because the crankshaft 121 is provided with the plurality of conveyor belts 122, the adjacent conveyor belts 122 can alternately fluctuate in height when the crankshaft 121 rotates, so that the mineral aggregate on the conveyor belts 122 jolts and turns over, the liquid asphalt can be scattered from top to bottom when the mineral aggregate is conveyed to the lower part of the covering device 3, when the mineral aggregate is scattered by the liquid asphalt, the jolt and the turning over generated by the crawler belt assembly 12 can enable the scattered asphalt to uniformly cover the surface of the mineral aggregate, meanwhile, the excessive asphalt can be shaken off after the mineral aggregate passes through the covering device 3 along with the jolt, and the scattered asphalt can fall onto the drainage plate 14 with slope through gaps among the conveyor belts 122, and flow to collection liquid tank 6 through drainage plate 14 and retrieve, when pitch flowed to collection liquid tank 6, impurity such as the mineral aggregate tiny particle that grid 13 can drop on drainage plate 14 filters, avoids granule impurity to get into collection liquid tank 6 to along with collection liquid tank 6 gets into melting device 5, cause melting device 5's damage.
In one embodiment, the liquid inlet of the melting device 5 is communicated with the liquid outlet of the liquid collecting tank 6, the inner bottom surface of the liquid collecting tank 6 is provided with a slope so that the asphalt in the liquid collecting tank 6 can flow to the liquid outlet, the melting device 5 is provided with a filling opening, the melting device 5 is internally provided with a third transmission device, and the third transmission device is used for conveying the asphalt melted in the melting device 5 to the material covering device 3. The covering device 3 comprises an outer cylinder 31, an inner cylinder 32 and an induction coil; the inner cylinder 32 is arranged in the outer cylinder 31, the inner cylinder 32 is communicated with the melting device 5 through a feeding pipe 7, a plurality of circulating pipes 33 are arranged on the inner cylinder 32, the circulating pipes 33 penetrate through the inner cylinder 32 and the outer cylinder 31, the induction coil is arranged between the outer cylinder 31 and the inner cylinder 32, and heat conduction oil is filled between the outer cylinder 31 and the inner cylinder 32.
The working principle and the beneficial effects of the technical scheme are as follows: through the design of above-mentioned structure, melting device 6 can carry out the reutilization with the pitch that collection liquid box 6 collected, also can carry out the melting with the pitch that the filler hole was filled simultaneously, thereby provide pitch for covering material device 3, pitch is carried to the inner tube 32 in via conveying pipe 7, then flow out and sprinkle on the mineral aggregate via runner pipe 33, be provided with induction coil and conduction oil between inner tube 32 and urceolus 31, induction coil can heat inner tube 32 when the shutdown resumes production, thereby make the pitch of solidification in quick melting, the conduction oil can reduce the heat loss of inner tube 32 after inner tube 32 heats, make pitch can keep liquid and flow out from runner pipe 33.
In one embodiment, the collecting device 4 comprises a fixed frame 41, a collecting assembly 42 and a fourth transmission device 43; the lateral wall of mount 41 is provided with supporter 44, be provided with finished product case 8 on the supporter 44, the both ends of gathering subassembly 42 respectively with mount 41 hub connection, fourth transmission 43 sets up on the lateral wall of mount 41 and with the one end of gathering subassembly 42 is connected, the other end of gathering subassembly 42 is located supporter 44's top and run through mount 41. The collection assembly 42 comprises a collection barrel 421 and a spiral roller 422; the spiral roller 422 is arranged in the collection barrel 421, one end of the spiral roller 422 is penetrated through the collection barrel 421 and is connected with the fourth transmission device 43, one end of the collection barrel 421 is penetrated through the fixing frame 41 and is connected with the fourth transmission device 43, the other end of the collection barrel 421 is penetrated through the storage frame 44 and is located above the storage frame 44, the outer wall of the collection barrel 421 is provided with a plurality of collection plates 423 and a plurality of feeding holes 424, the collection plates 423 are located in the fixing frame 41, the edges of the collection plates 423 are provided with a plurality of water draining holes 425, and the feeding holes 424 are located at the connection positions of the collection plates 423 and the collection barrel 421.
The working principle of the technical scheme is as follows: when conveyor 1 carries the mineral aggregate that the parcel has pitch to collection device 4, fourth transmission 43 can drive collection subassembly 42 and rotate, collecting plate 423 on collection bucket 421 is the outside extension of heliciform, and collecting plate 423 can be followed upwards from the mineral aggregate that conveys conveyor 1 and come and hold up, the mineral aggregate can be followed collecting plate 423 landing, and get into collection bucket 421 via feed port 424 in, the mineral aggregate is in collection bucket 421 via the transportation of spiral roller 422, discharge to finished product case 8 in, finished product case 8 can be connected with paving equipment, directly lay the mineral aggregate of parcel pitch on the road surface.
The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, the radial setting of spiral of collecting plate 423 can make the mineral aggregate drop to its sunken in, thereby avoid the mineral aggregate to scatter, drop mouth 425 on it can filter unnecessary pitch, further avoid the mineral aggregate to be stained with unnecessary pitch, thereby reduce pitch content, pitch after the filtration can drop to the collection liquid box 6 of below and carry out secondary recycle, spiral roller 422 can further carry out the pitch misce bene on the mineral aggregate, thereby it can the complete coating at the mineral aggregate surface to make mutual contact between the mineral aggregate ensure pitch, accomplish the transport of mineral aggregate simultaneously.
In one embodiment, when asphalt is blended, the currently known factors affecting asphalt road materials are the performance of raw materials, the mineral aggregate gradation, the amount of filler (i.e. the proportion of mineral aggregate in the mixture of asphalt and mineral aggregate), and the oil-stone ratio, respectively, in order to ensure that the mineral aggregate wrapped by asphalt has good damage resistance, the maximum size of the mineral aggregate needs to be calculated according to a formula, and the theoretical formula of the maximum dense gradation of the mineral aggregate is calculated according to a theoretical formula of the maximum dense gradation of the mineral aggregate
Calculating the maximum grain size of the mineral aggregate, wherein D is the maximum grain size of the mineral aggregate; dxIs the maximum particle size of the filler; r is a grading index; f is a particle size smaller than dxThe amount of the filler (c) used,%; p is the discharge efficiency at the discharge port 221,%; dlIs the distance between the ball milling head 212 and the milling zone 222;
then the bending strength of the mineral aggregate after coating the asphalt can be calculated according to the maximum particle size of the mineral aggregate
Wherein σ is the bending strength of the road paving material; l is the laying length; pbThe maximum load when the pavement is damaged when the pavement is paved by single-layer mineral aggregate;
then the bending span ratio when the single-layer mineral aggregate is paved can be calculated through the formula
Wherein
The bending span ratio is percent when the monolayer mineral aggregate is laid; e is the flexural deformation modulus when laying single-layer mineral aggregate;
the rated bending span ratio of the asphalt concrete can be planned by design when the pavement is paved
The ratio of the bending span ratio of the mineral aggregate to the single layer is calculated to obtain the rated laying thickness
Wherein H is the pavement paving thickness;
the rated bending span ratio of the asphalt concrete planned for the design.
The working principle and the beneficial effects of the technical scheme are as follows: when the mixing device is arranged on a vehicle for paving the road surface, because the feeding device 2 can adjust the maximum size of the mineral aggregate, when the road surface is paved, workers only need to calculate the maximum particle size of the mineral aggregate required by the road surface according to a formula, then set the distance between the ball milling head 212 and the grinding area 222 according to the maximum particle size of the mineral aggregate, then calculate the bending strength of the mineral aggregate output by the mixing device according to the formula, calculate the bending span ratio provided by the mixing device according to the paving length, finally calculate the actual paving thickness through the designed bending span ratio, can quickly set the mixing device according to the formula and quickly calculate the paving thickness, so that the paved road surface can meet the design standard without paving firstly, then sampling and measuring, and adjusting, and calculating by the formula, so that the production cost is not increased due to the excessively thick road surface, and the pavement laying time can be saved.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. An environment-friendly mixing device for asphalt road paving materials, comprising: the device comprises a conveying device (1), a feeding device (2), a covering device (3), a collecting device (4) and a melting device (5);
the feeding device (2) is arranged at the starting end of the conveying device (1) and is used for mashing and conveying the mineral aggregate to the conveying device (1);
the collecting device (4) is arranged at the terminating end of the conveying device (1) and is used for collecting the mineral aggregate wrapped with the asphalt for use;
the covering device (3) is arranged above the conveying device (1) and is used for coating liquid asphalt on mineral aggregate;
a liquid collecting box (6) is arranged below the conveying device (1), and the melting device (5) is respectively communicated with the liquid collecting box (6) and the material covering device (3).
2. The eco-friendly mixing device for asphalt road paving material according to claim 1, wherein the feeding device (2) comprises a feeding portion, a grinding head (21) and a mortar cover (22); the grinding head (21) is arranged in the feeding part, the bowl grinding cover (22) is arranged at the end part of the feeding part, one end of the grinding head (21) penetrates through the feeding part and is connected with the first transmission device, the other end of the grinding head (21) is connected with the bowl grinding cover (22) through a shaft, a discharge hole (221) is formed in the bowl grinding cover (22), and the discharge hole (221) is arranged in the vertical direction and is located above the transmission device (1).
3. The eco-friendly mixing device for asphalt road paving material according to claim 2, wherein the feeding part comprises a feeding pipe (23) and a grinding pipe (24); the grinding pipe (24) is arranged in the horizontal direction, the feeding pipe (23) is arranged at one end of the grinding pipe (24) and is arranged along the vertical direction, and the other end of the feeding pipe (23) is connected with the bowl grinding cover (22).
4. The eco-friendly mixing device for asphalt road paving material according to claim 3, wherein one end of the grinding head (21) is provided with a connecting rod (211), the connecting rod (211) is connected to the first transmission device through the grinding pipe (24), the other end of the grinding head (21) is provided with a ball grinding head (212), an end of the ball grinding head (212) is connected to the grinding bowl cover (22) through a shaft, a grinding area (222) is provided in the grinding bowl cover (22), the grinding area (222) is adapted to the ball grinding head (212), and a crushing area (213) and a feeding area (214) are provided on an outer wall of the grinding head (21); the crushing zone (213) is located below the feed tube (23), and the feed zone (214) is located between the crushing zone (213) and the ball grinder (212).
5. Eco-friendly mixing device for asphalt road paving material according to claim 2, wherein the conveyor (1) comprises two fixed plates (11), a track assembly (12), a grid (13) and a drainage plate (14); the track assembly (12), grid (13) and drainage plate (14) all set up two between fixed plate (11), drainage plate (14) are located the below of track assembly (12), and the end that terminates of drainage plate (14) is located the top of header tank (6), grid (13) set up the top surface of drainage plate (14), track assembly (12) set up the top of grid (13), the initiating terminal of track assembly (12) is located the below of discharge gate (221), the end that terminates of track assembly (12) is located the top of header tank (6), the mineral aggregate of parcel pitch via track assembly (12) gets into collection device (4).
6. Eco-friendly mixing device for asphalt road paving material according to claim 5, wherein the track assembly (12) comprises a number of crankshafts (121) and a number of conveyor belts (122); the two ends of the crankshaft (121) are respectively arranged on the fixing plate (11) and are connected with the fixing plate (11) through a shaft, one end of the crankshaft (121) is connected with the second transmission device, the conveying belt (122) is sleeved on the crankshaft (121) through a shaft sleeve (123), and a plurality of protruding teeth are arranged on the outer surface of the conveying belt (122).
7. The eco-friendly mixing device for asphalt road paving material according to claim 1, wherein a liquid inlet of the melting device (5) is communicated with a liquid outlet of the header tank (6), an inner bottom surface of the header tank (6) is provided with a slope so that asphalt in the header tank (6) can flow to the liquid outlet, a filling port is provided on the melting device (5), and a third driving device is provided in the melting device (5) and transfers the asphalt melted in the melting device (5) to the covering device (3).
8. The eco-friendly mixing device for asphalt road pavement material according to claim 1, wherein the sheathing device (3) comprises an outer cylinder (31), an inner cylinder (32), and an induction coil; the inner cylinder (32) is arranged in the outer cylinder (31), the inner cylinder (32) is communicated with the melting device (5) through a feeding pipe (7), a plurality of circulation pipes (33) are arranged on the inner cylinder (32), the circulation pipes (33) penetrate through the inner cylinder (32) and the outer cylinder (31), the induction coil is arranged between the outer cylinder (31) and the inner cylinder (32), and heat conduction oil is filled between the outer cylinder (31) and the inner cylinder (32).
9. Eco-friendly mixing device for asphalt road paving material according to claim 1, characterized in that the collecting device (4) comprises a fixed frame (41), a collecting assembly (42) and a fourth transmission device (43); the lateral wall of mount (41) is provided with supporter (44), be provided with finished product case (8) on supporter (44), the both ends of gathering subassembly (42) respectively with mount (41) hub connection, fourth transmission (43) set up on the lateral wall of mount (41) and with the one end of gathering subassembly (42) is connected, the other end of gathering subassembly (42) is located the top of supporter (44) and runs through mount (41).
10. Eco-friendly mixing device for asphalt road paving material according to claim 9, wherein the collection assembly (42) comprises a collection tub (421) and a spiral roller (422); the spiral roller (422) is arranged in the collection barrel (421), one end of the spiral roller (422) penetrates through the collection barrel (421) to be connected with the fourth transmission device (43), one end of the collection barrel (421) penetrates through the fixing frame (41) to be connected with the fourth transmission device (43), the other end of the collection barrel (421) penetrates through the storage frame (44) to be located above the storage frame (44), the outer wall of the collection barrel (421) is provided with a plurality of collection plates (423) and a plurality of feeding holes (424), the collection plates (423) are located in the fixing frame (41), the edges of the collection plates (423) are provided with a plurality of draining holes (425), and the feeding holes (424) are located at the connecting positions of the collection plates (423) and the collection barrel (421).
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| CN202210087803.XA CN114411487B (en) | 2022-01-25 | 2022-01-25 | Environment-friendly mixing device for asphalt road paving material |
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| CN202210087803.XA CN114411487B (en) | 2022-01-25 | 2022-01-25 | Environment-friendly mixing device for asphalt road paving material |
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| CN2828122Y (en) * | 2005-09-09 | 2006-10-18 | 王希仁 | Bituminous concrete mixing device |
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| CN112030670A (en) * | 2020-09-07 | 2020-12-04 | 福建省铁拓机械股份有限公司 | Equipment and process for preparing asphalt mixture |
| CN212688622U (en) * | 2020-03-25 | 2021-03-12 | 佛山市交通科技有限公司 | Hot mix plant recycling asphalt mixture mixing system |
| CN112982089A (en) * | 2021-03-04 | 2021-06-18 | 河南交通发展研究院有限公司 | Novel ultra-thin top facing bituminous mixture is laid device |
| CN113564987A (en) * | 2021-08-13 | 2021-10-29 | 李维维 | Synchronous gravel seal layer paver and construction method |
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2022
- 2022-01-25 CN CN202210087803.XA patent/CN114411487B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2828122Y (en) * | 2005-09-09 | 2006-10-18 | 王希仁 | Bituminous concrete mixing device |
| CN104480832A (en) * | 2014-11-17 | 2015-04-01 | 长安大学 | Extruded asphalt pavement milling material crushing and screening device |
| CN212688622U (en) * | 2020-03-25 | 2021-03-12 | 佛山市交通科技有限公司 | Hot mix plant recycling asphalt mixture mixing system |
| CN112030670A (en) * | 2020-09-07 | 2020-12-04 | 福建省铁拓机械股份有限公司 | Equipment and process for preparing asphalt mixture |
| CN112982089A (en) * | 2021-03-04 | 2021-06-18 | 河南交通发展研究院有限公司 | Novel ultra-thin top facing bituminous mixture is laid device |
| CN113564987A (en) * | 2021-08-13 | 2021-10-29 | 李维维 | Synchronous gravel seal layer paver and construction method |
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| CN114411487B (en) | 2022-08-30 |
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