CN114481791A - Treatment method for old cement pavement of municipal road - Google Patents
Treatment method for old cement pavement of municipal road Download PDFInfo
- Publication number
- CN114481791A CN114481791A CN202210199268.7A CN202210199268A CN114481791A CN 114481791 A CN114481791 A CN 114481791A CN 202210199268 A CN202210199268 A CN 202210199268A CN 114481791 A CN114481791 A CN 114481791A
- Authority
- CN
- China
- Prior art keywords
- assembly
- grinding
- screening
- component
- subassembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000004568 cement Substances 0.000 title claims abstract description 21
- 238000000227 grinding Methods 0.000 claims abstract description 89
- 238000012216 screening Methods 0.000 claims abstract description 59
- 238000009412 basement excavation Methods 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 85
- 239000010410 layer Substances 0.000 claims description 42
- 239000004744 fabric Substances 0.000 claims description 35
- 238000005056 compaction Methods 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 12
- 239000002893 slag Substances 0.000 claims description 11
- 239000002344 surface layer Substances 0.000 claims description 10
- 239000004575 stone Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 abstract description 14
- 230000006378 damage Effects 0.000 abstract description 10
- 238000007599 discharging Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000008187 granular material Substances 0.000 description 10
- 230000002035 prolonged effect Effects 0.000 description 9
- 238000009418 renovation Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/12—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
- E01C23/122—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with power-driven tools, e.g. oscillated hammer apparatus
-
- 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
-
- 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
- E01C3/04—Foundations produced by soil stabilisation
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Road Repair (AREA)
Abstract
The application relates to a method for treating an old cement pavement of a municipal road, which is applied to the field of urban construction. Which comprises the following steps: the method comprises the steps of excavation, crushing, grinding, screening and discharging and compacting. This application has whole crushing process and can not cause the harm to the basic unit, increase of service life's effect.
Description
Technical Field
The application relates to the field of urban construction, in particular to a method for treating an old cement pavement of a municipal road.
Background
Concrete pavement or cement pavement are a common road type of municipal roads, cracks and the like can appear after long-time use, and the cracks on the concrete pavement in the related technology are generally repaired to prolong the service life of the pavement.
The common repairing means is a method of repairing cracks only or paving new concrete on the whole pavement containing the cracks after vibrating and compacting, namely, the old concrete pavement is directly vibrated and compacted on site to form a cushion layer of the new pavement, the pavement is renovated, and the service life of the pavement is prolonged.
In view of the above-mentioned related technologies, the inventor found that in the vibration process, the foundation is damaged by the in-situ vibration and compaction to form the cushion layer of the renovated pavement, the subgrade is prone to be settled, and even if the pavement is renovated, the service life of the renovated pavement is short, and the renovated pavement needs to be periodically maintained or replaced.
Disclosure of Invention
In order to improve the problem that the roadbed is damaged by on-site vibration and compaction, the application provides a method for treating the old cement pavement of the municipal road.
In a first aspect, the application provides a method for treating an old cement pavement of a municipal road, which adopts the following technical scheme:
a method for treating an old cement pavement of a municipal road comprises the following steps:
the method comprises the following steps of (1) excavating, namely prying up a surface layer of the concrete pavement through a scraper knife assembly in treatment equipment, conveying the surface layer into a crushing assembly in the treatment equipment through a first conveying assembly in the treatment equipment, and exposing a base layer of the concrete pavement;
a crushing step, namely enabling the concrete pavement conveyed by the conveying assembly in the treatment equipment to enter a storage bin of the crushing assembly in the treatment equipment for crushing to obtain coarse slag, and directly conveying the coarse slag to the grinding assembly for grinding by the second conveying assembly in the treatment equipment;
a grinding step, wherein the coarse slag is conveyed into a lower grinding disc of a grinding assembly in the processing equipment, an upper grinding disc of the grinding assembly is attached to the lower grinding disc and rotates, and the coarse slag is ground to obtain a grinding material;
screening, namely, enabling the grinding materials to fall onto a screening component in the treatment equipment, enabling the grinding materials with the consistent grain sizes to pass through the screening component and fall into a discharge hopper to be qualified materials, and enabling the grinding materials with the inconsistent grain sizes to fall onto the screening component to be screened materials;
and (3) feeding and compacting, namely conveying the abrasive with the consistent particle size into a feeding hopper, directly paving the abrasive on a base layer of the concrete pavement from the feeding hopper, and compacting by a compacting assembly to form a cushion layer of the concrete pavement.
Through adopting above-mentioned technical scheme, the surface course of the concrete road surface that will damage is eradicateed and is retrieved, lay the surface course on the basic unit of concrete road surface again after professional grinding is smashed, the whole process is carried out crushing operation after peeling off the basic unit with the concrete road surface, whole crushing process can not cause the harm to the basic unit on the one hand, on the other hand carries out special crushing with the surface course, the granule size after smashing is more even, lay again on the basic unit as the bed course, the possibility that the inhomogeneous phenomenon appears laying behind laying new concrete on the bed course is lower, the life of concrete road surface after having prolonged the renovation.
Optionally, a material returning step is further performed between the screening step and the blanking and compacting step, and the screened material is returned to the grinding step for grinding again through a material returning assembly in the processing equipment.
Through adopting above-mentioned technical scheme, keep somewhere the part on the screen cloth and do not accord with the requirement of laying the bed course after the screening step, utilize the returning charge subassembly to carry these materials back again and grind in the grinding component to ensure that the material that is qualified particle diameter through the screening subassembly, and grind the material that will disqualified again and can not cause the waste, practiced thrift the resource.
Optionally, the processing equipment comprises a scraper knife assembly, a crushing assembly, a grinding assembly, a screening assembly and a compacting assembly which are sequentially arranged on the rack;
the scraper knife assembly is communicated with the crushing assembly through a first conveying assembly, the crushing assembly is communicated with the grinding assembly through a second conveying assembly, the screening assembly is arranged below the grinding assembly, a discharging hopper is arranged between the screening assembly and the compacting assembly, an upper opening of the discharging hopper is communicated with the screening assembly, and a lower opening of the discharging hopper is communicated with the compacting assembly.
Through adopting above-mentioned technical scheme, promote the frame through trailer or shallow and advance forward, tool bit disect insertion surface course and bed course in the spiller subassembly, along with the frame advances forward directly with the surface course sled, finally fall on first conveyor components, carry by first conveyor components and get into screening components and sieve on the broken back direct falling screening components of broken subassembly, get into promptly after the screening that even falls on the basic unit in the hopper down, form the bed course on renewing the road surface via the compaction subassembly compaction at last, the process of broken grinding is not directly operated on the basic unit, whole process is little to the basic unit influence, can not lead to the fact the destruction to the basic unit basically, it is better to renew the quality after renewing in the road surface, the life on road surface after renewing has been prolonged.
Optionally, the scraper knife assembly comprises a knife head and a mounting base, the mounting base is rotatably connected to the rack and is driven by a motor to rotate, the knife head is detachably fixed to one side of the mounting base, which is far away from the rack, and the knife head extends towards one side, which is far away from the rack;
the first conveying assembly is fixed on the rack, one end of the first conveying assembly is arranged on one side, away from the cutter head, of the mounting base, and when the mounting base is turned over, the surface layer arranged on the cutter head moves onto the first conveying assembly;
the other end of the first conveying assembly is arranged above the crushing assembly and is communicated with the feeding hole of the crushing assembly.
Through adopting above-mentioned technical scheme, promote the frame through trailer or shallow and advance forward, between tool bit disect insertion surface course and the bed course in the spiller subassembly, along with the frame moves ahead and removes, the tool bit prizes the part above the bed course in the concrete road surface and shovels, along with the frame removes, the surface course is constantly shoveled to the tool bit, and the mounting base rotates, directly turns over the surface course on the tool bit and carries broken subassembly to carry out the breakage through first conveying subassembly on the first conveying subassembly.
Optionally, one side of the mounting base, which deviates from the concrete pavement, is a slope surface, and when the cutter head prizes the surface layer, the surface layer slides to the first conveying assembly along the slope surface.
Through adopting above-mentioned technical scheme, when the unable rotation of mounting base, the surface course that is prized can be supported along domatic surface course after by and pushes to on directly sliding to first conveyor components along domatic, along with the frame removes, the surface course on the first conveyor components is moved to broken subassembly direction by first conveyor components on the one hand, is being promoted simultaneously by the surface course at the back on the one hand, is broken like this along with the surface course is constantly carried in broken subassembly.
Optionally, the crushing assembly comprises a crusher and a bin arranged at a feed inlet of the crusher, the crusher is fixed on the frame, the bin is arranged below the first conveying assembly and communicated with the first conveying assembly, and a discharge outlet of the crusher is communicated with the grinding assembly through a second conveying assembly.
Through adopting above-mentioned technical scheme, the material that does not break gets into the breaker by the feed inlet department of breaker, and the material after the breakage is accomplished falls on second conveyor components through the discharge gate of breaker and carries grinding assembly and grind.
Optionally, grinding assembly includes the runner stone and by motor drive pivoted lower mill, the runner stone is by fixing the linear drive mechanism drive orientation in the frame lower mill removes, second conveyor assembly arranges in the top of runner stone just second conveyor assembly's discharge gate intercommunication the feed inlet of runner stone, screening subassembly arranges in the below of lower mill.
Through adopting above-mentioned technical scheme, the material through the breakage is carried by second conveyor components between wood disc and the lower mill, and the lower mill direction of the lower mill of the last mill direction removal makes the last mill fold with lower mill this moment, because lower mill rotates under motor drive to grind with the material that the cooperation of last mill will fall on lower mill, the material after the grinding is directly fallen on the screening subassembly and is sieved in the gap between last mill and the lower mill.
Optionally, the screening subassembly includes screening driving piece and screen cloth, the one end of screen cloth articulates in the frame, the screening driving piece is fixed in the frame and is promoted the screen cloth is followed frame reciprocating motion.
Through adopting above-mentioned technical scheme, the screen cloth is by the drive of screening driving piece removal repeatedly, and the material on the vibratory screen cloth accomplishes the screening action for the material that does not conform to the requirements is detained on the screen cloth, and the material that conforms to the requirements passes the screen cloth and falls down and finally is laid on the basic unit and carry out the compaction as the bed course of the concrete road surface of renewing by the compaction subassembly in the hopper.
Optionally, the screening driving part comprises a cam driven by a servo motor, the cam is arranged on one side of the screen, which deviates from the second conveying assembly, a roller is arranged on the screen, and the roller is abutted to the outer edge of the cam and rolls along the outer edge of the cam.
Through adopting above-mentioned technical scheme, when the cam rotates, the gyro wheel is suppressed on the outer fringe of cam by the weight of screen cloth, and the gyro wheel also removes in the outer fringe of cam along with the rotation of cam, when the gyro wheel moved the cam and moved toward the peak of cam, one side that the screen cloth is close to the cam risees thereupon, along the frame upset promptly, when the gyro wheel fell down from the peak, the screen cloth whereabouts thereupon, the screen cloth will vibrate repeatedly like this to sieve the material on the screen cloth, the material that can't pass through the screen cloth also can move toward the edge of screen cloth along with the vibration of screen cloth simultaneously, can not influence the screening of remaining material.
The screen cloth with be equipped with the returning charge subassembly between the frame, the returning charge subassembly is fixed in the frame, the returning charge subassembly is including returning the silo, be equipped with the transmission band in the returning charge silo, the returning charge silo is close to one side of frame is equipped with the striker plate, the striker plate is higher than the terminal surface of transmission band, the transmission band with grinding component intercommunication.
Through adopting above-mentioned technical scheme, the material that moves the screen cloth edge and can't pass through the screen cloth directly falls in the returning charge tank of returning charge subassembly, drops and is ground once more by transmitting the grinding subassembly on the conveyer belt for the material can pass through the screen cloth through many times of grinding, can not cause the waste of material, and material utilization is high.
In summary, the present application includes at least one of the following benefits:
1. trailer or shallow promotes the frame and advances forward, tool bit disect insertion surface course and bed course in the spiller subassembly, directly prizing the surface course along with the frame advances forward, finally fall on first conveyor components, carry by first conveyor components and get into screening on screening components directly after broken subassembly is broken, get into promptly through screening down even falling on the basic unit in the hopper, form the bed course on renewing the road surface via compaction subassembly compaction at last, the process of broken grinding is not directly operated on the basic unit, whole process is little to the basic unit influence, can not lead to the fact destruction to the basic unit basically, it is better to overturn new quality after the road surface is renewed and is accomplished, the life on renewing back road surface has been prolonged.
2. The material that moves the screen cloth edge and can't pass through the screen cloth directly falls in the returning charge groove of returning charge subassembly, drops and is ground once more by transmitting grinding assembly on the conveyer belt for the material can pass through the screen cloth through many times of grinding, can not cause the waste of material, and material utilization is high.
Drawings
FIG. 1 is a schematic view of the overall structure of a processing apparatus in an embodiment of the present application;
FIG. 2 is a schematic view of a blade assembly of the treatment apparatus of the present embodiment;
FIG. 3 is a schematic illustration of the construction of an abrasive assembly and screen assemblies of a treatment apparatus according to an embodiment of the present application;
FIG. 4 is a schematic illustration of a screen assembly of a treatment apparatus according to an embodiment of the present application;
FIG. 5 is an enlarged view of the structure at A in FIG. 4;
FIG. 6 is a schematic view of the structure of a discharge hopper of the processing apparatus in the embodiment of the present application;
in the figure: 1. a frame; 2. a blade assembly; 21. a cutter head; 22. mounting a base; 3. a first conveying assembly; 4. a crushing assembly; 41. a storage bin; 42. a crusher; 5. a second transport assembly; 6. a grinding assembly; 61. an upper grinding disc; 62. a lower grinding disc; 63. a linear drive mechanism; 7. a screen assembly; 71. screening a screen; 72. a cam; 8. feeding a hopper; 81. a material homogenizing component; 9. compacting the assembly; 91. a compaction roller; 92. and (7) mounting frames.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a method for treating an old cement pavement of a municipal road, which is realized by using treatment equipment. Referring to fig. 1, the processing equipment comprises a frame 1, a scraper knife component 2, a crushing component 4, a grinding component 6, a screening component 7 and a compacting component 9 are sequentially fixed on the frame 1, the scraper knife component 2 and the crushing component 4 are connected by a first conveying component 3, the first conveying component 3 can be a spiral conveyor or a conveyor belt, the crushing component 4 and the grinding component 6 are connected by a second conveying component 5, the second conveying component 5 can also be a spiral conveyor or a conveyor belt, when in use, the scraper knife component 2 is inserted between a concrete layer of a cement road surface and a cushion layer, the concrete is separated from the cushion layer by dragging the frame 1 to move forwards along with a trailer, the concrete layer is pried by a whole block by the continuous movement of the frame 1 and falls on the first conveying component 3, the crushed concrete is conveyed to the crushing component 4 by the first conveying component 3, the crushed concrete is conveyed to the grinding component 6 by the second conveying component 5 for grinding, after the grinding is finished, the concrete falls on the excavated concrete pavement to be used as a new cushion layer, and finally, the concrete is directly compacted by the compacting assembly 9 to form a new cushion layer. On the one hand, the whole smashing process cannot cause damage to the base layer, on the other hand, the surface layer is smashed specially, the size of the smashed particles is more uniform, the base layer is paved again to serve as a cushion layer, the possibility of uneven paving after new concrete is paved on the cushion layer is lower, and the service life of the renovated concrete pavement is prolonged.
Referring to fig. 1 and 2, a cutter head 21 is mounted on a frame 1 through a mounting base 22, the mounting base 22 can be hinged on the frame 1 in an articulated manner, so that the mounting base 22 can be turned, the cutter head 21 is directly fixed on one side of the mounting base 22 far away from the frame 1, the frame 1 is driven by a trailer or the like to move forward before the cutter head 21 is inserted between a bedding layer and a concrete layer, then the frame 1 is driven to move, the cutter head 21 can scoop up the concrete layer and peel off the bedding layer when the cutter head 21 is driven to move forward, the whole concrete is on the cutter head 21, the whole concrete is turned over and conveyed to a first conveying assembly 3 along with the turning of the mounting base 22 driven by a motor, the motor can be fixed on the frame 1 and used for driving the mounting base 22 to turn over, and the peeled concrete is conveyed to the first conveying assembly 3 through the turning of the mounting base 22, to complete the subsequent steps.
The mounting base 22 can also be fixed directly on the frame 1, the cutter head 21 is also mounted on the side of the mounting base 22 away from the frame 1, the end surface of the mounting base 22 is a slope surface, the lower side of the slope surface is close to the cutter head 21, the higher side of the slope surface is close to the first conveying component 3, when the cutter head 21 prizes the concrete layer, the whole concrete can move along the slope surface under the push of the subsequent concrete and is finally pushed to the first conveying assembly 3 for conveying, no matter the mounting base 22 is hinged on the frame 1 and can be turned over along the frame 1 or the mounting base 22 is directly fixed on the frame 1, the terminal surface at mounting base 22 all can be set up to domatic, and domatic in the use just can play the guide effect like this, and the concrete can rise to the top of first conveyor components 3 along domatic and finally fall on first conveyor components 3, reduces the possibility that the concrete falls outside first conveyor components 3.
Referring to fig. 1, crushing unit 4 is fixed on frame 1 and is located one side that mounting base 22 was kept away from to first conveyor assembly 3, crushing unit 4 comprises feed bin 41 and breaker 42, feed bin 41 is direct to be communicated with the feed inlet of breaker 42, the concrete on the first conveyor assembly 3 directly falls in feed bin 41, directly fall on second conveyor assembly 5 by second conveyor assembly 5 and carry grinding unit 6 to grind from the discharge gate department of breaker 42 after the breakage, be convenient for grind into the granule material of particle diameter relative uniformity with the concrete after the breakage.
Referring to fig. 1 and 3, the second conveying assembly 5 preferably uses a screw conveyor, a feed inlet of the screw conveyor is directly communicated with a discharge outlet of the crusher 42, the material is fed to the grinding assembly 6 by the screw conveyor, the grinding assembly 6 comprises an upper grinding disc 61 and a lower grinding disc 62 fixed on the frame 1, the upper grinding disc 61 can move towards the lower grinding disc 62 by a linear driving mechanism 63, a discharge outlet of the screw conveyor is aligned with a feed inlet of the upper grinding disc 61, the material conveyed by the screw conveyor passes through the upper grinding disc 61 and directly falls on the lower grinding disc 62, the upper grinding disc 61 moves towards the lower grinding disc 62 by the driving of the linear driving mechanism 63 after the material falls on the lower grinding disc 62, the lower grinding disc 62 rotates after the upper grinding disc 61 moves to a position, the material is ground by matching with the upper grinding disc 61, and the ground material forms particles and is discharged from a gap between the upper grinding disc 61 and the lower grinding disc 62, fall on screening subassembly 7 and carry out the screening, the granule material that accords with the screening condition directly passes screening subassembly 7 and falls on the basic unit, and the granule material that does not accord with the screening condition then directly stays the manual work on screening subassembly 7 regularly and collects the clearance, through get into down even falling on the basic unit in hopper 8 promptly after screening, at last via the 9 compaction of compaction subassembly formation renovate the bed course on the road surface, the process of broken grinding is not directly operated on the basic unit, whole process is little to basic unit influence, can not lead to the fact the destruction to the basic unit basically, renovate the quality better after the completion of renovating the road surface, the life on renovated back road surface has been prolonged.
Referring to fig. 1 and 4, the screen assembly 7 at least comprises a group of screens 71, the screens 71 are driven by the screen driving member to reciprocate, so that vibration is generated, the particles on the screens 71 are vibrated by the vibration of the screens 71, and the screening purpose is achieved, one side of the screens 71 can be directly hinged on the frame 1, and the screens 71 can reciprocate along the hinged part under the drive of the screen driving member, so that a height difference is formed between the screens 71, and the particles which are not qualified can move on the screens 71 until the particles move to the edge of the lower side of the screens 71 along with the vibration of the screens 71, so that the manual collection and concentration treatment are facilitated.
Referring to fig. 4 and 5, the screening driving member preferably uses a cam 72 driven by a servo motor, one side of the screen 71 away from the hinge is pressed on the outer edge of the cam 72, the screen 71 is driven by the servo motor to rotate along with the cam 72 to generate height change and to swing back and forth by taking the hinge as a center, screening of the granules is realized, and the qualified granules fall on the base layer after screening.
The accept falling onto the base layer is finally compacted by a compacting assembly 9 to form a mat on the retreaded surface. Meanwhile, the whole process is not directly finished on the base course, the damage to the base course is small, the renovation quality is better after the pavement renovation is finished, and the service life of the renovated pavement is prolonged.
Can set up the returning charge subassembly in the outer fringe of screen cloth 71, the returning charge subassembly sets up in the lower one side of screen cloth 71, can be fixed with the returning charge groove on frame 1 in the screen cloth 71 outside, can set up the transmission band in the returning charge groove, the abrasive material that does not pass through the screening promptly sieves the material and can directly carry down to grind on the mill 62 through the conveyer belt that returns the charge inslot once more for the material can be through grinding many times in order to pass through screen cloth 71, can not cause the waste of material, and material utilization is high. One side of the return chute, which is far away from the screen 71, is fixed with a baffle plate, the baffle plate is higher than the end surface of the conveying belt, and the material can be prevented from being leaked out when the screened material falls in the return chute through the baffle plate.
Preferably, the conveyer belt that returns in the silo can be directly communicate with screw conveyer, can set up an assistance feed inlet on screw conveyer's shell, directly carry the direct supplementary feed inlet department of assisting of unqualified granule material through the conveyer belt and reentrant screw conveyer by assisting the feed inlet, grind again on the mill 62 under directly being sent to by screw conveyer finally to realize the repeated grinding of unqualified granule material, can not cause the waste of material, material utilization is high.
Referring to fig. 3 and 6, a lower hopper 8 is arranged below the screen 71, and the screened material falls to the lower hopper 8 and is uniformly discharged to the base layer through a discharge hole in the lower hopper 8 to be compacted by a compacting assembly 9.
Referring to fig. 3 and 6, the compacting component 9 may be a compacting roller 91 fixed on the lower hopper 8, a roller shaft is arranged on the lower hopper 8 along the width direction of the base layer, the compacting roller 91 is sleeved on the roller shaft, a pushing mechanism is arranged on the lower hopper 8, the pushing mechanism may be a linear driving device such as a linear motor, mounting brackets 92 are arranged at two ends of the roller shaft, one end of each mounting bracket 92, which is far away from the roller shaft, is hinged on the lower hopper 8, the linear motor hinged and fixed on the rack 1 pushes the mounting bracket 92 to rotate along the hinged part, so that the compacting roller 91 on the roller shaft can be pressed on the base layer to compact the granular materials falling on the base layer, by adjusting the extending length of the linear motor, the pressure of the compacting roller 91 on the base layer can be conveniently adjusted, and along with the whole forward movement of the rack 1, the compacting roller 91 can also roll therewith to compact the base layer.
Referring to fig. 3 and 6, in order to make the material feeding more uniform, a material homogenizing assembly 81 may be disposed in the discharging hopper 8, and the material homogenizing assembly 81 is disposed at the outlet of the discharging hopper 8. The material homogenizing assembly 81 can be a rotating wheel driven by a stepping motor, a plurality of fins are uniformly distributed on the outer wall of the rotating wheel, the fins radially extend in the direction away from the rotating wheel, screened granular materials directly fall between two adjacent fins and rotate along with the driving of the stepping motor, the materials between the adjacent fins drop on a base layer from an outlet of a blanking hopper 8, the amount of the materials dropping on the base layer at each time is controlled by controlling the rotating angle of the stepping motor, so that the amount of the materials dropping on the base layer is uniform, the thickness of a compacted cushion layer is consistent, the renewing quality is better after the road surface is renewed, and the service life of the renewed road surface is prolonged.
When using treatment facility to handle cement road surface in this application, insert between concrete layer and the bed course with tool bit 21, utilize the trailer to drag treatment facility, tool bit 21 gos forward thereupon, pries concrete layer from the bed course to peel off the concrete that will damage from the road surface.
As the cutter head 21 advances forward, the peeled concrete is guided to the first conveying assembly 3 through the slope surface on the mounting base 22, conveyed into the bin 41 by the first conveying assembly 3 and falls into the crusher 42 through the bin 41 to be crushed, so as to obtain coarse concrete slag, and the coarse concrete slag falls onto the second conveying assembly 5 and is conveyed into the grinding assembly 6 through the second conveying assembly 5 to be ground to form grinding material with relatively uniform particle size.
The coarse slag obtained by crushing has uneven particle size, so that the abrasive obtained by grinding operation in the same time has deviation in particle size, after the grinding operation, the screening component 7 is required to screen, the abrasive directly falls on the screen 71, along with the reciprocating swing of the screen 71, the abrasive is divided into qualified material and screened material by the screen 71, the screened material is left on the screen 71, the qualified material passes through the screen 71 and falls into the blanking hopper, and the material homogenizing component 81 in the blanking hopper is uniformly laid on the base layer.
The compacting roller 91 on the frame 1 is driven by the linear motor to pressurize the paved qualified materials to form a new middle layer, and the compacting operation is directly carried out, the crushed old pavement is paved on a base layer as a new cushion layer, the recycling of the damaged concrete pavement is realized, meanwhile, the concrete pavement is not crushed on site but is crushed after being collected during recycling, therefore, the damage to the base layer in the construction process is small, the renovation quality is better after the renovation of the pavement is finished, and the service life of the renovated pavement is prolonged.
In order to promote the availability factor of the screening material, the screening material can slowly move to screen cloth 71 edge in screen cloth 71 vibration process, can grind once more after removing the edge after the manual collection, also can increase the returning charge subassembly in screen cloth 71 edge, when the screening material moves to screen cloth 71 edge, directly fall into on the returning charge subassembly and finally carry the auxiliary feed inlet of screw conveyer with the screening material and grind in carrying grinding assembly 6 again by screw conveyer, make the screening material can pass through twice at least grinding, make the screening material equally can utilize, the utilization ratio of the screening material has been promoted, can not cause the material extravagant.
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: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A method for treating an old cement pavement of a municipal road is realized by treatment equipment, and is characterized in that: the method comprises the following steps:
an excavation step, namely prying up a surface layer of the concrete pavement through a scraper knife assembly (2) in the treatment equipment, and conveying the concrete pavement into a crushing assembly (4) in the treatment equipment through a first conveying assembly (3) in the treatment equipment to expose a base layer of the concrete pavement;
a crushing step, wherein the concrete pavement conveyed by a conveying assembly in the treatment equipment enters a storage bin (41) of a crushing assembly (4) in the treatment equipment to be crushed to obtain coarse slag, and the coarse slag is directly conveyed to a grinding assembly (6) by a second conveying assembly (5) in the treatment equipment to be ground;
a grinding step, wherein the coarse slag is conveyed into a lower grinding disc (62) of a grinding assembly (6) in the processing equipment, an upper grinding disc (61) of the grinding assembly (6) is attached to the lower grinding disc (62), and the upper grinding disc (61) rotates to grind the coarse slag to obtain grinding materials;
screening, namely, the grinding materials fall onto a screening component (7) in the treatment equipment, the grinding materials with the consistent grain sizes pass through the screening component (7) and fall into a discharge hopper (8) to be qualified materials, and the grinding materials with the inconsistent grain sizes fall onto the screening component (7) to be screened materials;
and (3) feeding and compacting, namely conveying the grinding materials with the consistent particle size into a feeding hopper (8), directly paving the grinding materials from the feeding hopper (8) onto a base layer of the concrete pavement, and compacting the grinding materials by a compacting assembly (9) to form a cushion layer of the concrete pavement.
2. The method for treating the old cement pavement of the municipal road according to claim 1, characterized in that:
and a material returning step is also carried out between the screening step and the blanking compaction step, and the screened material is returned to the grinding step for grinding again through a material returning component in the processing equipment.
3. The method for treating the old cement pavement of the municipal road according to claim 1, characterized in that:
the treatment equipment comprises a scraper knife component (2), a crushing component (4), a grinding component (6), a screening component (7) and a compacting component (9) which are sequentially arranged on a rack (1);
scraper blade subassembly (2) and broken subassembly (4) between communicate through first conveyor components (3), broken subassembly (4) with through second conveyor components (5) intercommunication between grinding component (6), screen assembly (7) are located the below of grinding component (6), screen assembly (7) with be equipped with down hopper (8) between compaction subassembly (9), the upper shed intercommunication of hopper (8) down screen assembly (7), the lower shed intercommunication of hopper (8) down compaction subassembly (9).
4. The method for treating the old cement pavement of the municipal road according to claim 3, characterized by comprising the following steps:
the scraper knife assembly (2) comprises a knife head (21) and a mounting base (22), the mounting base (22) is rotatably connected to the rack (1) and is driven by a motor to rotate, the knife head (21) is detachably fixed to one side, away from the rack (1), of the mounting base (22), and the knife head (21) extends towards one side, away from the rack (1);
the first conveying assembly (3) is fixed on the rack (1), one end of the first conveying assembly (3) is arranged on one side, away from the cutter head (21), of the mounting base (22), and when the mounting base (22) is turned over, the surface layer arranged on the cutter head (21) moves onto the first conveying assembly (3);
the other end of the first conveying assembly (3) is arranged above the crushing assembly (4) and is communicated with a feeding hole of the crushing assembly (4).
5. The method for treating the old cement pavement of the municipal road according to claim 4, characterized by comprising the following steps:
one side of the mounting base (22) departing from the concrete pavement is a slope surface, and when the cutter head (21) prizes the surface layer, the surface layer slides to the first conveying assembly (3) along the slope surface.
6. The method for treating the old cement pavement of the municipal road according to claim 3, characterized by comprising the following steps:
broken subassembly (4) include breaker (42) and arrange in feed bin (41) of feed inlet department of breaker (42), breaker (42) are fixed just on frame (1) feed bin (41) are arranged in first conveyor components (3) below and first conveyor components (3) intercommunication, the discharge gate of breaker (42) through second conveyor components (5) with grinding component (6) are linked together.
7. The method for treating the old cement pavement of the municipal road according to claim 3, characterized by comprising the following steps:
grinding assembly (6) are including runner stone (61) and by motor drive pivoted lower mill (62), runner stone (61) are by fixing linear drive mechanism (63) drive orientation in frame (1) lower mill (62) remove, second conveyor assembly (5) are arranged in the top of runner stone (61) just the discharge gate intercommunication of second conveyor assembly (5) the feed inlet of runner stone (61), screen assembly (7) are arranged in the below of lower mill (62).
8. The method for treating the old cement pavement of the municipal road according to claim 3, characterized by comprising the following steps:
screening subassembly (7) are including screening driving piece and screen cloth (71), the one end of screen cloth (71) articulates in frame (1), the screening driving piece is fixed in frame (1) and is promoted screen cloth (71) are followed frame (1) reciprocating motion.
9. The method for treating the old cement pavement of the municipal road according to claim 8, characterized in that:
the screening driving part comprises a cam (72) driven by a servo motor, the cam (72) is arranged on one side, deviating from the second conveying assembly (5), of the screen (71), a roller is arranged on the screen (71), and the roller is abutted to the outer edge of the cam (72) and rolls along the outer edge of the cam (72).
10. The method for treating the old cement pavement of the municipal road according to claim 8, characterized in that:
the screen cloth (71) with be equipped with the returning charge subassembly between frame (1), the returning charge subassembly is fixed on frame (1), the returning charge subassembly is including returning the silo, be equipped with the transmission band in the returning charge silo, it is close to return the silo one side of frame (1) is equipped with the striker plate, the striker plate is higher than the terminal surface of transmission band, the transmission band with grinding component (6) intercommunication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210199268.7A CN114481791A (en) | 2022-03-01 | 2022-03-01 | Treatment method for old cement pavement of municipal road |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210199268.7A CN114481791A (en) | 2022-03-01 | 2022-03-01 | Treatment method for old cement pavement of municipal road |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114481791A true CN114481791A (en) | 2022-05-13 |
Family
ID=81484552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210199268.7A Pending CN114481791A (en) | 2022-03-01 | 2022-03-01 | Treatment method for old cement pavement of municipal road |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114481791A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1204616A (en) * | 1982-10-05 | 1986-05-20 | Peep Korgemagi | Pavement crusher |
| US5054958A (en) * | 1989-10-26 | 1991-10-08 | Strunk Wayne D | Apparatus to prepare a road surface |
| CN108166369A (en) * | 2018-02-01 | 2018-06-15 | 蒋晓伟 | A kind of highway discards pitch and rejects regeneration constructing device |
| US10407849B1 (en) * | 2018-03-14 | 2019-09-10 | Pavement Recycling Systems Inc. | Vehicle to reclaim milled road surface aggregate for reuse as a road surface |
| CN213867195U (en) * | 2020-09-16 | 2021-08-03 | 廊坊北通工程材料有限公司 | Environment-friendly asphalt concrete's vibration screening plant |
| CN215104425U (en) * | 2021-03-10 | 2021-12-10 | 江苏增光新材料科技股份有限公司 | Novel cold-mixed modified asphalt mobile mixing truck |
-
2022
- 2022-03-01 CN CN202210199268.7A patent/CN114481791A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1204616A (en) * | 1982-10-05 | 1986-05-20 | Peep Korgemagi | Pavement crusher |
| US5054958A (en) * | 1989-10-26 | 1991-10-08 | Strunk Wayne D | Apparatus to prepare a road surface |
| CN108166369A (en) * | 2018-02-01 | 2018-06-15 | 蒋晓伟 | A kind of highway discards pitch and rejects regeneration constructing device |
| US10407849B1 (en) * | 2018-03-14 | 2019-09-10 | Pavement Recycling Systems Inc. | Vehicle to reclaim milled road surface aggregate for reuse as a road surface |
| CN213867195U (en) * | 2020-09-16 | 2021-08-03 | 廊坊北通工程材料有限公司 | Environment-friendly asphalt concrete's vibration screening plant |
| CN215104425U (en) * | 2021-03-10 | 2021-12-10 | 江苏增光新材料科技股份有限公司 | Novel cold-mixed modified asphalt mobile mixing truck |
Non-Patent Citations (1)
| Title |
|---|
| 沈再春: "《农产品加工机械与设备》", 31 October 1993, 农业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100516470B1 (en) | Peeling off device for recycling gravels | |
| CN111715339B (en) | Waste asphalt regeneration equipment | |
| US6626608B2 (en) | Mobile rock crusher | |
| CN108385489A (en) | A kind of integrated milling machine of milling laying | |
| KR102325696B1 (en) | Construction Waste Separation Selection System | |
| CN113976242B (en) | A recovery processing device for building rubbish | |
| CN212632973U (en) | Reclaimed material crushing device | |
| CN114481791A (en) | Treatment method for old cement pavement of municipal road | |
| KR100413325B1 (en) | Reforming System for Recycled Aggregate | |
| EP1391251A2 (en) | Aggregate cleaning | |
| KR20050107716A (en) | Device for recycling waste asphalt concrete | |
| JPH05115809A (en) | Mobile crusher | |
| JP2001113230A (en) | Crushing and selecting treatment apparatus | |
| JP3448069B2 (en) | Crushing equipment | |
| JP3448070B2 (en) | Crushing equipment | |
| CN218013249U (en) | Waste concrete recycled concrete device | |
| KR100519502B1 (en) | Auto-scrubbing Mill system for recycled aggregates manufacture from the construction waste | |
| CN220598053U (en) | Waste concrete aggregate laying device for road base | |
| CN220202386U (en) | Building basic unit solidification processing equipment | |
| JP5110937B2 (en) | Aggregate regeneration processing equipment | |
| JP3204214B2 (en) | Aggregate recovery system | |
| JP4391751B2 (en) | Waste concrete aggregate recovery method and apparatus in ready-mixed plant | |
| CN219377877U (en) | Pavement waste material collecting equipment for backfilling | |
| JP3718220B1 (en) | Polishing equipment | |
| JP4476377B2 (en) | Pavement regeneration method and apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220513 |