CN114717893A - Roadbed construction method - Google Patents
Roadbed construction method Download PDFInfo
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- CN114717893A CN114717893A CN202210369291.6A CN202210369291A CN114717893A CN 114717893 A CN114717893 A CN 114717893A CN 202210369291 A CN202210369291 A CN 202210369291A CN 114717893 A CN114717893 A CN 114717893A
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- 238000010276 construction Methods 0.000 title claims abstract description 30
- 239000002689 soil Substances 0.000 claims abstract description 182
- 239000002994 raw material Substances 0.000 claims abstract description 91
- 239000002699 waste material Substances 0.000 claims abstract description 89
- 238000009412 basement excavation Methods 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000012216 screening Methods 0.000 claims abstract description 35
- 238000004064 recycling Methods 0.000 claims abstract description 16
- 238000012958 reprocessing Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000005056 compaction Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 6
- 238000005507 spraying Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims description 106
- 239000004575 stone Substances 0.000 claims description 85
- 230000007246 mechanism Effects 0.000 claims description 84
- 238000000926 separation method Methods 0.000 claims description 53
- 238000003756 stirring Methods 0.000 claims description 28
- 238000005259 measurement Methods 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 2
- 239000011435 rock Substances 0.000 claims description 2
- 230000007723 transport mechanism Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 239000002245 particle Substances 0.000 description 13
- 238000010298 pulverizing process Methods 0.000 description 13
- 238000005192 partition Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005422 blasting Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
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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
-
- 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
-
- 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
- E01C3/00—Foundations for pavings
- E01C3/003—Foundations for pavings characterised by material or composition used, e.g. waste or recycled material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The application relates to the field of road construction, in particular to a roadbed construction method which comprises the following steps of excavating a roadbed, and arranging a cutting intercepting ditch and other drainage facilities; setting a side slope according to the ground elevation; rolling by using a roadbed, wherein the compaction degree of the roadbed is not less than 95% within a depth range of thirty centimeters below the top surface of the roadbed; carrying out crushing treatment, screening treatment and remixing treatment on excavation waste soil obtained by road bed excavation by utilizing an excavation waste soil recycling and reprocessing device; filling the roadbed, namely filling soil by utilizing the earth materials treated by the excavation waste soil recycling and reprocessing device; carrying out flattening and fine flattening procedures on the soil, and following the construction principle of 'first slow and then fast and four sides to middle'; and (3) spraying water and airing the surface, and rolling and compacting the surface to a degree of compaction not less than 90%. This application has the effect that reduces construction and uses the volume with native raw materials.
Description
Technical Field
The application relates to the field of road construction, in particular to a roadbed construction method.
Background
The roadbed is a foundation of a track or a road surface and is an earth structure formed by excavation or filling. The roadbed mainly has the functions of providing necessary conditions for track or road surface laying and train or traveling operation, bearing static load and dynamic load of track and locomotive vehicle or road surface and traffic load, and transmitting and diffusing the load to the deep part of the foundation. On the longitudinal section, the roadbed must ensure the required height of the line, and on the plane, the roadbed, the bridge and the tunnel are connected to form a complete through line. In civil engineering, the subgrade occupies an important position in the aspects of construction quantity, floor area and investment.
At present, when a roadbed is built, a road surface is firstly cleaned, then a soil surface after cleaning is excavated, then a user cleans waste soil of the excavated soil to a garbage recycling position, the user mixes raw materials required by filling, and finally the user fills the road with the mixed raw materials.
In view of the above-mentioned related technologies, the inventors found that the raw materials required for filling are classified into gravel soil, sandy soil, blasting ballast, and the like, the excavation waste soil contains the above-mentioned raw materials required for filling, and a user discards all of the excavation waste soil, thereby wasting resources.
Disclosure of Invention
The application provides a roadbed construction method in order to reduce the use amount of a construction soil raw material.
The application provides a roadbed construction method, which adopts the following technical scheme:
the roadbed construction method comprises the following steps of excavating a roadbed, and arranging a cutting intercepting ditch and other drainage facilities; setting a side slope according to the ground elevation; rolling the roadbed, wherein the compaction degree of the roadbed within the depth range of thirty centimeters below the top surface of the roadbed is not less than 95 percent; carrying out crushing treatment, screening treatment and remixing treatment on excavation waste soil obtained by road bed excavation by utilizing an excavation waste soil recycling and reprocessing device; filling the roadbed, namely filling soil by utilizing the earth materials treated by the excavation waste soil recycling and reprocessing device; carrying out flattening and fine flattening procedures on the soil, and following the construction principle of 'first slow and then fast and four sides to middle'; and (3) spraying water and airing the surface, and rolling and compacting the surface to a degree of compaction not less than 90%.
Through adopting above-mentioned technical scheme, the user can use the excavation waste soil to retrieve the reprocessing device and smash, screen and the hybrid processing to the gained waste soil of excavation, separates rubble class soil, sand and soil, the blasting stone sediment in the gained waste soil of excavation, and the usable raw materials that will select at last mixes and obtains mixed raw materials, and the user uses mixed raw materials to fill can, realized extracting the raw materials in the waste soil, the consumption of raw materials when having reduced the user fill, saved raw materials resource.
Optionally, the excavation waste soil recycling and reprocessing device comprises a crushing mechanism for crushing excavation waste soil, a screening mechanism for separating soil and stone materials with different sizes, a metering and mixing mechanism for proportioning and mixing the filling soil and the material and a conveying mechanism, wherein the crushing mechanism is communicated with the screening mechanism through the conveying mechanism, the screening mechanism is communicated with the metering and mixing mechanism through the conveying mechanism, the crushing mechanism is communicated with the external raw material supply position, and the metering and mixing mechanism is connected with an external filling raw material concentration facility.
By adopting the technical scheme, the waste soil obtained after excavation firstly enters the crushing mechanism, the crushing mechanism separates soil materials and stone materials in the excavated waste soil, and the soil materials and the stone materials are respectively crushed, so that large soil materials and stone materials are crushed into raw material particles required by filling, the utilization rate of the excavated waste soil is improved, the separated and crushed soil materials and stone materials are respectively conveyed into the screening mechanism through the conveying mechanism, the screening mechanism separates the soil materials and the stone materials according to the particle size, the soil materials and the stone materials with proper particle size are conveyed to the metering and mixing mechanism through the conveying mechanism to be mixed, and finally the mixed filling raw material is conveyed to the concentration part of the filling raw material by the conveying mechanism, so that the reutilization of the excavated waste soil is realized, the use amount of the filling raw material is reduced, and the reutilization of resources is realized.
Optionally, the metering and mixing mechanism comprises a metering and mixing box which is stable on the ground, a metering component which is communicated with the metering and mixing box and used for metering raw materials, a feeding component which is connected to the top of the metering and mixing box, and a mixing component which is connected to the inside of the metering and mixing box and used for stirring the raw materials, wherein one end of the metering component is communicated with the screening mechanism, the other end of the metering component is communicated with the inside of the metering and mixing box, the metering component is positioned above the mixing component, and the bottom of the metering and mixing box is communicated with an external mixture collecting position; one end of the feeding component blocks the feeding hole of the metering mixing box.
Through adopting above-mentioned technical scheme, the raw materials mixes through the inside that the measurement subassembly got into the measurement mixing box, and the opening and shutting of feed assembly control raw materials entering measurement mixing box passageway, through total amount and the speed that feed assembly control raw materials got into the measurement mixing box, the mixing assembly mixes the raw materials. When the amount of the raw materials required by filling is larger than that of the raw materials obtained by digging the waste soil, the raw materials need to be supplied from an external raw material supply position, so that the consumption of the raw materials is reduced, and the recycling of the waste soil is enhanced. When the amount of the raw material required for filling is less than or equal to the amount of the raw material obtained by excavating the waste soil, it is not necessary to supply the raw material from an external raw material supply place.
Optionally, the metering assembly comprises a feeding bin communicated with the outside, a supporting rod fixedly connected inside the metering mixing box, a metering conveying belt fixedly connected to the supporting rod, and a metering bin fixedly connected to the metering conveying belt, wherein the feeding bin is positioned right above the metering bin, the axial direction of the supporting rod is perpendicular to the movement direction of the metering conveying belt, the metering conveying belt is erected below the feeding bin by the supporting rod, the metering bins are multiple in number, and the metering bins are uniformly connected to a conveying chain of the metering conveying belt; the feeding subassembly is including connecting in the feeding mixing cylinder and the open-close board of sliding connection in measurement mixing box top surface of measurement mixing box, and feeding mixing cylinder's output fixed connection is in an side surface of open-close board, and the open-close board is located the inside in feeding storehouse, and the slip direction perpendicular to feeding direction in feeding storehouse of open-close board, the feed inlet shutoff in feeding storehouse is with the open-close board.
Through adopting above-mentioned technical scheme, when measurement conveyer belt transportation, the measurement storehouse was at the uniform velocity reciprocating motion on the measurement conveyer belt, and a plurality of measurement storehouses are located the below in proper order in feeding storehouse, because the volume in measurement storehouse is fixed, so the user can be according to the velocity of motion in measurement conveyer belt, the feeding volume in control measurement storehouse, realizes the measurement feeding.
Optionally, the mixing assembly comprises a plurality of mixing rollers rotatably connected to the inside of the metering and mixing box and a mixing and stirring blade fixedly connected to the mixing rollers, and the plurality of mixing rollers are divided into a plurality of layers.
Through adopting above-mentioned technical scheme, improve the even degree of mixing, the edge that mixes the stirring leaf still can be the plane, and the increase mixes the area of contact of stirring leaf and raw materials, improves the effect that the stirring was mixed, reduces and mixes the stirring leaf and carry out kibbling possibility to the raw materials.
Optionally, the crushing mechanism includes a crushing box stable on the ground, a separating assembly connected inside the crushing box, a soil crushing assembly connected inside the crushing box, and a stone crushing assembly, the feeding position of the crushing box is located at the top of the crushing box, the separating assembly is located at the inner top of the crushing box, and the soil crushing assembly is located below the separating assembly.
Through adopting above-mentioned technical scheme, soil property waste soil and the separation of the useless native accessible separable set of stone, soil property waste soil gets into soil property crushing unit under the action of gravity, has realized the separation of soil property waste soil and the useless native of stone, and soil property crushing unit smashes soil property waste soil, and stone property crushing unit smashes the useless native of stone for the granularity of soil property waste soil and the useless native of stone reduces, realizes the processing to soil property waste soil and the useless native of stone.
Optionally, the separation assembly comprises a plurality of separation rollers rotatably connected to the top in the crushing box and separation stirring blades fixedly connected to the surfaces of the separation rollers, the separation rollers are sequentially arranged, the axes of the separation rollers are parallel to each other, and the separation stirring blades on adjacent separation rollers are staggered with each other; the soil crushing assembly is located under the separation rollers, and the stone crushing assembly is located under the discharge end of the separation assembly.
Through adopting above-mentioned technical scheme, the separation roller is when rotating, adjacent separation stirring leaf mutual noninterference, be convenient for this application work, the edge of separation stirring leaf is when separating for the plane, the separation roller is when taking place to rotate, the cutting force of separation stirring leaf is less, when soil property waste soil and the contact of stone property waste soil with separation stirring leaf simultaneously, the separation stirring leaf can only smash soil property waste soil, make the inside of soil property crushing unit is leaked into from the interval between the separation stirring leaf to soil property waste soil that the granularity reduces, the realization is to the separation of soil property waste soil and stone property waste soil.
Optionally, the soil crushing assembly comprises a plurality of soil crushing rollers rotatably connected inside the crushing box and soil crushing leaves fixedly connected to the soil crushing rollers, the plurality of soil crushing rollers are distributed in multiple layers, and the space below the soil crushing rollers is communicated with the outside through a conveying mechanism; the stone crushing assembly comprises a hammering piece connected inside the crushing box, a separating piece connected below the hammering piece and a stone crushing piece positioned below the separating piece, wherein two sides of the upper surface of the separating piece are provided with the hammering piece; stone rubbing crusher is including rotating a plurality of stones of connecting in crushing incasement portion and fixed connection in the stone crushing leaf of the crushing roller of stone, and a plurality of stones are smashed the roller and are divided into the multilayer.
By adopting the technical scheme, the soil waste soil is always in a crushed state in the process of falling to the bottom of the crushing box, so that the crushing effect is improved; the stone waste soil is accumulated on the upper surface of the hinged plate, so that the hammering piece can conveniently crush the large stone waste soil; the two sides of the upper surface of the separator are respectively provided with the hammering piece, the hammering pieces are close to the middle to crush the stone waste soil, so that the granularity of the massive stone waste soil is reduced, the stone crushing pieces can crush the stone waste soil conveniently, and the crushing effect is improved; the stone waste soil is always in a crushed state in the process of falling to the bottom of the crushing box, so that the crushing effect is improved.
Optionally, screening mechanism includes screening case and a plurality of shale shaker of connecting in screening incasement portion, and the quantity of screening mechanism is two, and two screening mechanisms sieve soil property and stone quality respectively, and a plurality of shale shakers set up along vertical direction, and every shale shaker all communicates with the external world through transporting the mechanism.
By adopting the technical scheme, the raw materials with different particle sizes are screened, after the raw materials are screened by the vibrating screen, a user can utilize the raw materials with different sizes according to actual construction requirements in a distinguishing manner, and the raw material particles required for filling are conveyed to the inside of the metering and mixing mechanism through the conveying belt, so that the use amount of the raw materials is reduced; the raw material particles which are not needed by filling are placed at a waste treatment position through a conveying belt.
Optionally, the conveying mechanism includes a support frame fixedly connected to the ground and a conveyor belt fixedly connected to the support frame.
Through adopting above-mentioned technical scheme, realize the transportation to the soil material.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the method, the excavation waste soil recycling and reprocessing device is arranged to crush, screen and mix the waste soil obtained by excavation, so that the raw materials in the waste soil are recycled, the amount of the raw materials used for filling is reduced, and the raw material resources are saved;
2. according to the method, the crushing mechanism is arranged to crush the massive soil waste and the massive stone waste, so that the utilization rate of waste soil is improved, and the amount of raw materials used for filling is reduced;
3. this application is through setting up measurement mixing mechanism for this application can realize carrying out the automatic mixing to the raw materials machine, improves work efficiency.
Drawings
FIG. 1 is a schematic view showing the construction of an excavation waste soil recycling apparatus according to an embodiment of the present application;
FIG. 2 is a partial cross-sectional view of the shredder mechanism;
FIG. 3 is a partial cross-sectional view of the sifting mechanism;
FIG. 4 is a partial cross-sectional view of the metering and mixing mechanism;
fig. 5 is a partially enlarged view of a point a in fig. 4.
Description of reference numerals: 1. excavation waste soil recycling and reprocessing device; 11. a crushing mechanism; 111. a crushing box; 112. a separation assembly; 1121. a separation roller; 1122. separating the stirring blades; 113. a soil pulverizing assembly; 1131. a soil pulverizing roller; 1132. crushing leaves with soil; 114. a stone crushing assembly; 1141. a hammer; 11411. a hammering cylinder; 11412. hammering the plate; 1142. a separator; 11421. a hinge plate; 1143. a stone crushing member; 11431. a stone crushing roller; 11432. pulverizing the leaves with stone; 12. a screening mechanism; 121. screening the box; 122. vibrating screen; 13. a metering and mixing mechanism; 131. a metering and mixing box; 132. a metering assembly; 1321. a feeding bin; 1322. a support bar; 1323. a metering conveyor belt; 1324. a metering bin; 133. a feed assembly; 1331. a feed mixing cylinder; 1332. opening and closing the board; 134. a mixing assembly; 1341. a mixing roll; 1342. mixing and stirring the leaves; 14. a conveyance mechanism; 141. a support frame; 142. and (5) conveying the belt.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a roadbed construction method.
Excavating a roadbed, and arranging a moat intercepting ditch and other drainage facilities; setting a side slope according to the ground elevation; rolling by using a roadbed, wherein the compaction degree of the roadbed is not less than 95% within a depth range of thirty centimeters below the top surface of the roadbed;
the excavation waste soil recycling and reprocessing device 1 is used for carrying out crushing treatment, screening treatment and remixing treatment on excavation waste soil obtained by road foundation excavation;
filling the roadbed, namely filling soil by using the soil materials treated by the excavation waste soil recycling and reprocessing device 1; carrying out flattening and fine flattening procedures on the soil, and following the construction principle of 'first slow and then fast and four sides to middle'; and (3) spraying water and airing the surface, and rolling and compacting the surface to a degree of compaction not less than 90%.
Referring to fig. 1, the excavation waste soil recycling and reprocessing apparatus 1 includes a crushing mechanism 11 for crushing excavation waste soil stably on the ground, two screening mechanisms 12 for separating soil and rock materials of different sizes, a metering and mixing mechanism 13 for proportioning and mixing the fill soil material, and a conveying mechanism 14, wherein the crushing mechanism 11 is communicated with the screening mechanisms 12 through the conveying mechanism 14, the screening mechanisms 12 and the metering and mixing mechanism 13 are communicated through the conveying mechanism 14, the crushing mechanism 11 is communicated with an external raw material supply position, and the metering and mixing mechanism 13 is connected to an external filling raw material concentration facility.
The method comprises the steps that waste soil obtained after excavation firstly enters a crushing mechanism 11, the crushing mechanism 11 separates soil materials and stone materials in the excavated waste soil and crushes the soil materials and the stone materials respectively, large soil materials and stone materials are crushed into raw material particles required by filling, the availability of the excavated waste soil is improved, the separated and crushed soil materials and the crushed stone materials are respectively conveyed into two screening mechanisms 12 through a conveying mechanism 14, the two screening mechanisms 12 separate the soil materials and the stone materials according to the particle size, the soil materials and the stone materials with proper particle size are conveyed to a metering and mixing mechanism 13 through the conveying mechanism 14 to be mixed, and finally the mixed filling raw material is conveyed to a centralized position of the filling raw material through the conveying mechanism 14, so that the excavation waste soil is recycled, the use amount of the filling raw material is reduced, and the resource is recycled.
Referring to fig. 1 and 2, the crushing mechanism 11 includes a crushing box 111 fixed on the ground, a separating assembly 112 connected to the inside of the crushing box 111, a soil crushing assembly 113 connected to the inside of the crushing box 111, and a stone crushing assembly 114 connected to the inside of the crushing box 111, wherein the feeding position of the crushing box 111 is located at the top of the crushing box 111 so as to facilitate the excavation of waste soil from the top of the crushing box 111 to the inside of the crushing box 111, the separating assembly 112 is located at the inner top of the crushing box 111, the soil crushing assembly 113 is located below the separating assembly 112, the soil and stone waste soil can be separated by the separating assembly 112 so that the soil and waste soil can enter the soil crushing assembly 113 under the action of gravity, and the stone crushing assembly 114 is located below the discharging end of the separating assembly 112 so as to facilitate the stone waste soil to enter the stone crushing assembly 114; and the stone crushing assembly 114 comprises a partition 1142 fixedly connected to the bottom of the crushing box 111, the partition 1142 is positioned below the separation assembly 112, and the partition 1142 separates the soil crushing assembly 113 from the stone crushing assembly 114, so that the crushing mechanism 11 can not interfere with each other when crushing the soil waste and the stone waste, and the separation degree of the soil waste and the stone waste is improved.
Referring to fig. 1 and 2, the separation assembly 112 includes a plurality of separation rollers 1121 rotatably connected to the inner top of the crushing box 111 and separation stirring blades 1122 fixedly connected to the surfaces of the separation rollers 1121 through an integral forming manner, the separation rollers 1121 are sequentially arranged, the separation rollers 1121 are divided into two layers, the axes of the separation rollers 1121 are parallel to each other, the separation stirring blades 1122 on adjacent separation rollers 1121 are staggered from each other, so that when the separation rollers 1121 rotate, the adjacent separation stirring blades 1122 do not interfere with each other, which is convenient for the present application to work, when the separation rollers 1121 rotate, the cutting force of the separation stirring blades 1122 is small, when the soil waste soil and the stone waste soil simultaneously contact with the separation stirring blades, the separation stirring blades 1122 can only crush the soil waste soil, so that the soil waste soil with reduced in particle size leaks into the soil crushing assembly 113 from the space between the separation stirring blades 1122, the separation of the soil waste soil and the stone waste soil is realized.
Referring to fig. 1 to 4, the carrying mechanism 14 includes a support frame 141 fixedly connected to the ground and a conveyor belt 142 connected to the top of the support frame 141. The soil pulverizing assembly 113 comprises a plurality of soil pulverizing rollers 1131 rotatably connected inside the pulverizing box 111 and soil pulverizing leaves 1132 fixedly connected to the soil pulverizing rollers 1131, the soil pulverizing rollers 1131 are distributed in multiple layers, so that the soil waste soil is always in a pulverized state in the process of falling to the bottom of the pulverizing box 111, the pulverizing effect is improved, a conveying belt 142 is arranged in the space below the soil pulverizing rollers 1131, the pulverized soil falls on the surface of the conveying belt 142, the pulverized soil raw material is conveyed out of the pulverizing box 111 through the conveying belt 142, and the pulverized soil raw material is conveyed to the sieving mechanism 12 by the conveying belt 142 to be sieved.
Referring to fig. 2, the stone crushing assembly 114 further includes hammer 1141 connected to the inside of the crushing box 111 and stone crushing member 1143 located below the partition 1142, the partition is provided with two hinge plates 11421, the two hinge plates 11421 separate the hammer 1141 from the stone crushing member 1143, the hinge plates 11421 move in a direction approaching or separating from the hammer 1141, and when the hinge plates 11421 approach each other, stone waste soil is piled on the upper surface of the hinge plates 11421, facilitating the hammer 1141 to crush the large stone waste soil; the upper surface both sides of separator 1142 all are provided with a hammering piece 1141, and hammering piece 1141 is drawn close to the centre and is smashed the useless soil of stone for massive stone waste soil granularity reduces, and the stone of being convenient for is smashed piece 1143 and is smashed the useless soil of stone, improves kibbling effect.
Furthermore, the hammering piece 1141 comprises a hammering cylinder 11411 fixedly connected inside the crushing box 111 and a hammering plate 11412 fixedly connected to an output rod of the hammering cylinder 11411, the two hammering plates 11412 are opposite to each other, and when the soil waste soil is accumulated on the upper surface of the hinged plate 11421, the hammering cylinder 11411 is started, so that the hammering plates 11412 perform the mansion movement towards the direction close to or far away from each other, and the crushing of the stone waste soil is realized.
Further, stone smashing piece 1143 comprises a plurality of stone smashing rollers 11431 rotatably connected inside smashing box 111 and stone smashing leaves 11432 fixedly connected to the stone smashing rollers 11431, the plurality of stone smashing rollers 11431 are divided into a plurality of layers, so that the stone waste soil is always in a smashed state in the process of falling at the bottom of the smashing box 111, the smashing effect is improved, the shape of the stone smashing leaves 11432 is fan-shaped, larger cutting force can be provided, and the smashing effect is improved. And the bottom of the crushing box 111 corresponding to the stone crushing assembly 114 is an inclined plane, so that the stone raw materials are more easily rolled onto the conveying belt 142, and the stone raw materials are conveniently conveyed.
Referring to fig. 1 and 3, screening mechanism 12 includes screening case 121 and a plurality of shale shaker 122 of connecting in screening case 121 inside, the quantity of shale shaker 122 is three in the embodiment of this application, three shale shaker 122 sets up along vertical direction, the sieve mesh top-down of three shale shaker 122 reduces in proper order, the realization is screened the raw materials of three not equidimension granularity, shale shaker 122 slope sets up, be convenient for the granule roll-off screening case 121, every shale shaker 122 all communicates with the external world through conveyer belt 142. After the raw materials are screened by the vibrating screen 122, a user can make different use of the raw materials with different sizes according to actual construction requirements, and the raw material particles required for filling are conveyed to the inside of the metering and mixing mechanism 13 through the conveying belt 142, so that the use amount of the raw materials is reduced; the particles of the raw material not needed for filling are placed in the waste disposal site by the conveyor belt 142.
Referring to fig. 4 and 5, the metering and mixing mechanism 13 includes a metering and mixing box 131 fixed on the ground, a metering component 132 communicated with the metering and mixing box 131 for metering raw materials, a feeding component 133 connected to the top of the metering and mixing box 131, and a mixing component 134 connected to the interior of the metering and mixing box 131 for stirring raw materials, wherein one end of the metering component 132 is communicated with the sieving mechanism 12, the other end of the metering component 132 is communicated with the interior of the metering and mixing box 131, raw materials enter the interior of the metering and mixing box 131 through the metering component 132 for mixing, the feeding component 133 controls the opening and closing of a channel through which raw materials enter the metering and mixing box 131, the total amount and speed of raw materials entering the metering and mixing box 131 are controlled through the feeding component 133, and the mixing component 134 mixes raw materials. When the amount of the raw materials required by filling is larger than that of the raw materials obtained by digging the waste soil, the raw materials need to be supplied from an external raw material supply position, so that the consumption of the raw materials is reduced, and the recycling of the waste soil is enhanced. When the amount of the raw material required for filling is less than or equal to the amount of the raw material obtained by excavating the waste soil, it is not necessary to supply the raw material from an external raw material supply place.
Further, measure subassembly 132 and be located the top that mixes subassembly 134, the raw materials gets into behind the measurement subassembly 132, and the measurement subassembly 132 of being convenient for is placed the raw materials in measuring the inside mixture that mixes of mixing box 131, and the bottom and the external mixture of measurement mixing box 131 collect the department intercommunication, and the raw materials is collected the mixture department and is unified the distribution management after through intensive mixing.
Referring to fig. 4 and 5, the number of the metering assemblies 132 is a plurality of, and can realize feeding simultaneously to multiple raw materials, improves mixing efficiency, and the number of the metering assemblies 132 in the embodiment of the present application is three, and realizes feeding three kinds of raw materials with different particle sizes and different types.
Further, the metering component 132 includes a feeding bin 1321 communicated with the outside, a supporting rod 1322 fixedly connected to the inside of the metering and mixing box 131, a metering and conveying belt 1323 fixedly connected to the supporting rod 1322, and a metering bin 1324 fixedly connected to the metering and conveying belt, the feeding bin 1321 penetrates through the top surface of the metering and mixing box 131, the feeding bin 1321 is located above the metering bin 1324, one end of the feeding bin 1321 is located inside the metering and mixing box 131, and the area of one end, located outside the metering and mixing box 131, of the feeding bin 1321 is larger than that of the other end of the feeding bin 1321, so that raw materials can enter the feeding bin 1321, and the feeding bin 1321 can collect the raw materials, so that the raw materials can enter the metering bin 1324; the axial direction of the supporting rod 1322 is perpendicular to the moving direction of the metering conveyor belt 1323, the measuring conveyor belt 1323 is erected below the feeding bin 1321 by the supporting rod 1322, the number of the measuring bins 1324 is multiple, the measuring bins 1324 are uniformly connected to a conveyor chain of the metering conveyor belt 1323, when the metering conveyor belt 1323 is transported, the measuring bins 1324 do uniform reciprocating motion on the metering conveyor belt 1323, the measuring bins 1324 are sequentially located below the feeding bin 1321, and the volume of the measuring bins 1324 is fixed, so that a user can control the feeding amount of the measuring bins 1324 according to the moving speed of the metering conveyor belt 1323 to realize metering feeding.
Referring to fig. 4 and 5, the feeding assembly 133 includes a feeding mixing cylinder 1331 connected to the top of the metering and mixing box 131 and a split plate 1332 slidably connected to the top of the metering and mixing box 131, an output end of the feeding mixing cylinder 1331 is fixedly connected to a side surface of the split plate 1332, the split plate 1332 is located inside the feeding bin 1321, a sliding direction of the split plate 1332 is perpendicular to a feeding direction of the feeding bin 1321, the feeding mixing cylinder 1331 controls the split plate 1332 to reciprocate, the split plate 1332 closes or opens a feeding port of the feeding bin 1321, and when a moving frequency of the feeding mixing cylinder 1331 is matched with a moving frequency speed of the metering conveyor 1323, the possibility of raw materials falling on the metering conveyor 1323 is reduced, and the accuracy of the metering and feeding is improved.
Referring to fig. 4 and 5, the mixing assembly 134 includes a plurality of mixing rollers 1341 rotatably connected inside the metering and mixing box 131 and a mixing blade 1342 fixedly connected to the mixing rollers 1341, the plurality of mixing rollers 1341 are divided into a plurality of layers, so as to improve the uniformity of mixing, and the edge of the mixing blade 1342 is a plane, so as to reduce the possibility that the mixing blade 1342 pulverizes the raw material.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A roadbed construction method is characterized in that: the method comprises the following steps:
excavating a roadbed, and arranging a cutting cut-off ditch and other drainage facilities;
setting a side slope according to the ground elevation;
rolling the roadbed, wherein the compaction degree of the roadbed within the depth range of thirty centimeters below the top surface of the roadbed is not less than 95 percent;
the excavation waste soil recycling and reprocessing device (1) is used for carrying out crushing treatment, screening treatment and remixing treatment on excavation waste soil obtained by excavation of a roadbed;
roadbed filling, namely filling soil by using the soil material treated by the excavation waste soil recycling and reprocessing device (1);
carrying out flattening and fine flattening procedures on the soil, and following the construction principle of 'first slow and then fast and four sides to middle'; and (3) spraying water and airing the surface, and rolling and compacting the surface to a degree of compaction not less than 90%.
2. The roadbed construction method according to claim 1, wherein: excavation waste soil retrieves reprocessing device (1) is including carrying out kibbling rubbing crusher structure (11) to excavation waste soil, a screening mechanism (12) that is used for carrying out the separation with the soil and rock material of different size granules, a measurement mixing mechanism (13) and conveying mechanism (14) that are used for fill soil material ratio to mix, rubbing crusher structure (11) and screening mechanism (12) are through conveying mechanism (14) intercommunication, screening mechanism (12) and measurement mixing mechanism (13) are through conveying mechanism (14) intercommunication, rubbing crusher structure (11) communicate in external raw materials supply department, measurement mixing mechanism (13) are connected in outside fill soil raw materials centralized facility.
3. The roadbed construction method according to claim 2, wherein: the metering and mixing mechanism (13) comprises a metering and mixing box (131) which is firmly fixed on the ground, a metering component (132) which is communicated with the metering and mixing box (131) and used for metering raw materials, a feeding component (133) which is connected to the top of the metering and mixing box (131) and a mixing component (134) which is connected to the interior of the metering and mixing box (131) and used for stirring the raw materials, one end of the metering component (132) is communicated with the screening mechanism (12), the other end of the metering component (132) is communicated with the interior of the metering and mixing box (131), the metering component (132) is positioned above the mixing component (134), and the bottom of the metering and mixing box (131) is communicated with an external mixture collecting part; one end of the feeding component (133) blocks the feeding hole of the metering mixing box (131).
4. The roadbed construction method according to claim 3, wherein: the metering component (132) comprises a feeding bin (1321) communicated with the outside, a supporting rod (1322) fixedly connected to the inside of the metering mixing box (131), a metering conveying belt (1323) fixedly connected to the supporting rod (1322), and a metering bin (1324) fixedly connected to the metering conveying belt, wherein the feeding bin (1321) is positioned right above the metering bin (1324), the axial direction of the supporting rod (1322) is vertical to the movement direction of the metering conveying belt (1323), the metering conveying belt (1323) is erected below the feeding bin (1321) by the supporting rod (1322), the number of the metering bins (1324) is multiple, and the metering bins (1324) are uniformly connected to a conveying chain of the metering conveying belt (1323); the feeding assembly (133) comprises a feeding mixing cylinder (1331) connected to the metering mixing box (131) and an opening plate (1332) connected to the top surface of the metering mixing box (131) in a sliding mode, the output end of the feeding mixing cylinder (1331) is fixedly connected to one side surface of the opening plate (1332), the opening plate (1332) is located inside the feeding bin (1321), the sliding direction of the opening plate (1332) is perpendicular to the feeding direction of the feeding bin (1321), and the opening plate (1332) seals the feeding hole of the feeding bin (1321).
5. The roadbed construction method according to claim 3, wherein: the mixing assembly (134) comprises a plurality of mixing rollers (1341) rotatably connected to the interior of the metering mixing box (131) and a mixing stirring blade (1342) fixedly connected to the mixing rollers (1341), and the plurality of mixing rollers (1341) are divided into a plurality of layers.
6. The roadbed construction method according to claim 2, wherein: the crushing mechanism (11) comprises a crushing box (111) which is stable on the ground, a separating assembly (112) connected to the inside of the crushing box (111), a soil crushing assembly (113) connected to the inside of the crushing box (111) and a stone crushing assembly (114), wherein the feeding position of the crushing box (111) is positioned at the top of the crushing box (111), the separating assembly (112) is positioned at the inner top of the crushing box (111), and the soil crushing assembly (113) is positioned below the separating assembly (112).
7. The roadbed construction method according to claim 6, wherein: the separation assembly (112) comprises a plurality of separation rollers (1121) which are rotatably connected to the inner top of the crushing box (111) and separation stirring blades (1122) which are fixedly connected to the surfaces of the separation rollers (1121), the separation rollers (1121) are sequentially arranged, the axes of the separation rollers (1121) are parallel to each other, and the separation stirring blades (1122) on the adjacent separation rollers (1121) are staggered with each other; the soil crushing assembly (113) is positioned right below the plurality of separation rollers (1121), and the stone crushing assembly (114) is positioned below the discharge end of the separation assembly (112).
8. The roadbed construction method according to claim 7, wherein: the soil crushing assembly (113) comprises a plurality of soil crushing rollers (1131) which are rotatably connected inside the crushing box (111) and soil crushing leaves (1132) which are fixedly connected to the soil crushing rollers (1131), the soil crushing rollers (1131) are distributed in multiple layers, and the space below the soil crushing rollers (1131) is communicated with the outside through a conveying mechanism (14); the stone smashing assembly (114) comprises a hammering piece (1141) connected inside the smashing box (111), a separating piece (1142) connected below the hammering piece (1141) and a stone smashing piece (1143) located below the separating piece (1142), wherein two sides of the upper surface of the separating piece (1142) are respectively provided with the hammering piece (1141), the hammering piece (1141) comprises a hammering cylinder (11411) fixedly connected inside the smashing box (111) and a hammering plate (11412) fixedly connected to an output rod of the hammering cylinder (11411), the two hammering plates (11412) are opposite to each other, the separating piece (1142) is provided with a hammering hinged plate (11421), and the hammering hinged plate (11421) moves in a direction close to or far away from the hammering hinged plate (1141); the stone crushing member (1143) comprises a plurality of stone crushing rollers (11431) rotatably connected inside the crushing box (111) and stone crushing leaves (11432) fixedly connected to the stone crushing rollers (11431), and the plurality of stone crushing rollers (11431) are divided into a plurality of layers.
9. The roadbed construction method according to claim 2, wherein: screening mechanism (12) are including screening case (121) and a plurality of shale shaker (122) of connecting in screening case (121) inside, and the quantity of screening mechanism (12) is two, and two screening mechanisms (12) are sieved soil property and stone property respectively, and a plurality of shale shakers (122) set up along vertical direction, and every shale shaker (122) all communicate with the external world through transport mechanism (14).
10. The roadbed construction method according to claim 2, wherein: the conveying mechanism (14) comprises a supporting frame (141) fixedly connected to the ground and a conveying belt (142) fixedly connected to the supporting frame (141).
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| CN202210369291.6A CN114717893B (en) | 2022-04-08 | 2022-04-08 | Excavation waste soil recycling and reprocessing device |
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Cited By (1)
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| CN114717893B (en) | 2024-08-27 |
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