CN115012275B - Construction process of cast-in-situ polyurethane micro-foaming mixed runway - Google Patents
Construction process of cast-in-situ polyurethane micro-foaming mixed runway Download PDFInfo
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- CN115012275B CN115012275B CN202210826420.XA CN202210826420A CN115012275B CN 115012275 B CN115012275 B CN 115012275B CN 202210826420 A CN202210826420 A CN 202210826420A CN 115012275 B CN115012275 B CN 115012275B
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- paving
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- flattening
- plate
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- 238000005187 foaming Methods 0.000 title claims abstract description 45
- 239000004814 polyurethane Substances 0.000 title claims abstract description 43
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 42
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 59
- 239000002245 particle Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 5
- 239000010426 asphalt Substances 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 10
- 241001330002 Bambuseae Species 0.000 claims description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 10
- 239000011425 bamboo Substances 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 11
- 229920003023 plastic Polymers 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 description 11
- 239000008187 granular material Substances 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 9
- 230000000149 penetrating effect Effects 0.000 description 8
- 238000013329 compounding Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 229920001730 Moisture cure polyurethane Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010920 waste tyre Substances 0.000 description 1
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
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
-
- 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
- E01C13/00—Pavings or foundations specially adapted for playgrounds or sports grounds; Drainage, irrigation or heating of sports grounds
- E01C13/06—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003
- E01C13/065—Pavings made in situ, e.g. for sand grounds, clay courts E01C13/003 at least one in situ layer consisting of or including bitumen, rubber or plastics
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/46—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing and placing the materials, e.g. slurry seals
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The application relates to a construction process of a cast-in-situ polyurethane micro-foaming mixed runway, which relates to the field of plastic runway construction and comprises the following steps: performing foundation cleaning on the ground to be paved; adopting an asphalt foundation to carry out bottom sealing on the cleaned ground; detecting and adjusting the level of the bottom sealing layer; paving a base material on the back cover layer; mixing polyurethane and foaming particles by using a paving device, and uniformly paving the polyurethane and the foaming particles on the surface of a substrate; and (5) measuring and drawing a mark line. The application has the effects of realizing good automatic runway paving effect, reducing errors and adjusting.
Description
Technical Field
The application relates to the field of plastic runway construction, in particular to a construction process of a cast-in-situ polyurethane micro-foaming mixed type runway.
Background
The cast-in-situ polyurethane runway is also called all-weather track and field sports runway, and is formed from polyurethane prepolymer, mixed polyether, waste tyre rubber, EPDM rubber granule or PU granule, pigment, adjuvant and filler. The cast-in-situ polyurethane runway has the characteristics of good flatness, high compressive strength, proper hardness and elasticity and stable physical properties, and is beneficial to the play of the speed and the technology of athletes.
At present, in the laying process of the cast-in-situ polyurethane runway, in order to realize a micro-foaming system of the final cast-in-situ polyurethane runway, foaming particles and polyurethane raw materials are uniformly mixed when an elastic layer is manufactured on the cast-in-situ polyurethane runway, and then the uniformly mixed materials are uniformly paved on the runway, so that the foaming is uniform.
Because the uniform paving needs to be realized in a short time during paving, the existing paving technology adopts an artificial driving auxiliary machine for paving, which is time-consuming and labor-consuming and easy to have errors, and further needs to be adjusted, and is time-consuming and labor-consuming.
Disclosure of Invention
In order to solve the problem that manual auxiliary machinery is time-consuming and labor-consuming in paving a runway, the application provides a construction process of a cast-in-situ polyurethane micro-foaming mixed runway.
The application provides a construction process of a cast-in-situ polyurethane micro-foaming mixed runway, which adopts the following technical scheme:
a construction process of a cast-in-situ polyurethane micro-foaming mixed runway comprises the following steps: performing foundation cleaning on the ground to be paved; adopting an asphalt foundation to carry out bottom sealing on the cleaned ground; detecting and adjusting the level of the bottom sealing layer; paving a base material on the back cover layer; mixing polyurethane and foaming particles by using a paving device, and uniformly paving the polyurethane and the foaming particles on the surface of a substrate; the paving device comprises a paving rail and a paving machine, the length direction of the paving rail is parallel to the length direction of a runway, the paving machine moves along the length direction of the paving rail, two ends of the paving rail are respectively provided with a rotating component used for limiting the rotating path of the paving machine, the paving machine comprises a mixing component used for mixing materials, a flattening component used for flattening the materials on a base material and a moving component used for driving the mixing component and the flattening component to move, the mixing component comprises a mixing drum, a material tamping rod and a driving piece, one end of the material tamping rod stretches into the mixing drum, the driving piece is used for driving the material tamping rod to move along the axial direction of the mixing drum, the mixing drum is provided with a limiting piece used for limiting the material tamping rod, the flattening component comprises a plurality of flattening boxes, connecting rods and plug-in rods, one ends of the connecting rods are in telescopic connection with the flattening boxes, one ends of the connecting rods, which are close to one side of the paving rail, are fixedly connected with one ends of the flattening boxes, one ends of the plug-in the other side of the connecting rods are in the rolling wheel set, the rolling wheel set is fixedly connected with one side of the rotating plate, and the rolling plate is provided with the rotating plate, and the rolling wheel set is fixedly connected with one side of the rolling boxes, and the rolling wheel set is fixedly connected with one end of the rolling boxes, and is provided with the rotating wheels, and is provided with the rolling wheel set, and is provided with the rolling box; and (5) measuring and drawing a mark line.
By adopting the technical scheme, the foaming particles are mixed into polyurethane, so that a micro-foaming system of a runway is conveniently realized, the physical properties of a field are improved, the cost of materials is reduced to a certain extent, the construction is convenient, and the system is uniformly foamed; when the surface of the base material is paved, the moving assembly is utilized to drive the mixing assembly and the flattening assembly to move along the length direction of the paving rail, when the mixing assembly and the flattening assembly move to one end of the paving rail, the rotating assembly is utilized to limit the rotating path of the mixing assembly and the flattening assembly around the end point of the paving rail, and after the mixing assembly and the flattening assembly rotate 180 degrees, the mixing assembly and the flattening assembly are utilized to continue to move along the length direction of the paving rail, so that the surface of the base material is paved; the polyurethane and the foaming particles are mixed in real time by utilizing the mixing assembly, so that the uniformity of the foaming of the system is improved; when the curve part of the runway is required to be paved, the front moving wheel set and the flattening box are enabled to rotate relatively, and then the end point of one end of the paved rail is enabled to rotate as a rotation center between the front moving wheel set and the rear moving wheel set, so that the runway curve part is paved conveniently, time and labor are saved, and good paving effect is achieved.
In a specific implementation mode, a ramming plate is arranged at one end of the ramming rod extending into the mixing cylinder, and a plurality of through holes are formed in the ramming plate.
Through adopting above-mentioned technical scheme, when mixing polyurethane and foaming granule, utilize driving piece drive to stamp the material pole and stamp the axis direction reciprocating motion of material board along the compounding section of thick bamboo for polyurethane and foaming granule in the compounding section of thick bamboo all extrude in the through-hole, utilize the locating part to stamp the direction of motion of material pole spacing, be favorable to realizing good polyurethane and foaming granule's mixed effect.
In a specific implementation mode, the side wall of the inserting connection rod is connected with a pressing bolt in a threaded mode, one end, far away from the screw head, of the pressing bolt is abutted to the side wall of the connection rod, a plurality of discharging grooves are formed in the side walls of the flattening boxes, and the flattening boxes close to one side of the laying rail are communicated with the mixing barrel.
Through adopting above-mentioned technical scheme, when constructing the runway of different width, at first adjust the distance between a plurality of shakeouts box for be close to the shake-out box of laying rail one end and keep away from the shake-out box of laying rail one end between the distance of runway that needs to be laid, at this moment, take place relative displacement between connecting rod and the spliced pole, will support the wall that the one end and the connecting rod that the bolt was kept away from to the pressure bolt support the subsides, realized the location to the relative position between connecting rod and the spliced pole, and then realized the location to the shake-out box that is close to laying rail one end and keep away from the shake-out box of laying rail one end between the distance, be convenient for realize the unloading to the material in the shake-out box.
In a specific implementation manner, a conveying assembly used for conveying materials close to one side of the laying rail to the side far away from the laying rail is arranged in a plurality of flattening boxes, the conveying assembly comprises a screw, a conveying plate, a sliding plate, a motor and a supporting rod, one end of the screw is rotationally connected with the flattening boxes close to one side of the laying rail, the other end of the screw is fixedly connected with the supporting rod coaxially, one end of the supporting rod far away from the screw extends out of the side wall of the flattening boxes far away from one side of the laying rail, a supporting seat is arranged on the flattening boxes far away from one side of the laying rail, the supporting rod slides through the supporting seat, the sliding plate is in threaded connection with the screw and slides along the axis direction of the screw, the conveying plate is rotationally connected with the side wall of the flattening boxes, a limiting block used for limiting the movement direction of the sliding plate is arranged on the side wall of the sliding plate close to the laying rail, and the motor is arranged on the flattening boxes and is in transmission connection with the side wall of the screw.
Through adopting above-mentioned technical scheme, when carrying the material in a plurality of shakeouts the box by being close to the one end of laying the compounding section of thick bamboo on the rail to the one end of keeping away from the compounding section of thick bamboo of laying the rail, start the motor, the motor drives the screw rod and rotates, screw rod and slip board threaded connection, slip board drive conveying board slide along the axis direction of screw rod, when slip board is by being close to the one end of laying the rail to keeping away from the one end of laying the rail, the limiting plate carries out the spacing to the conveying board, avoid taking place relative rotation as far as possible between conveying board and the slip board, and then the conveying board stirs the material in the shakeouts the box that is close to one end of laying the rail to keeping away from the one end of laying the rail, the material to the shake-out of the shake-out box has been realized, when moving the conveying board from the one end that is kept away from the laying the rail to being close to one end of laying the rail, take place relative rotation between slip board and the conveying board, be convenient for move the conveying board to the one end that is close to laying the rail; when the distance between the flattening boxes is changed, the supporting rods and the supporting seat slide relatively, so that the screw is supported at one end far away from the laying rail.
In a specific implementation manner, the laying rail comprises a plurality of rails, two adjacent rails are detachably connected through a connecting assembly, the connecting assembly comprises sliding blocks and cushion blocks, one of the rails is fixedly connected with the sliding blocks, the other rail is provided with a plugging groove for plugging the sliding blocks, the rails are provided with mounting grooves, the two adjacent rails are provided with mounting grooves, the mounting grooves on the rails are enclosed to form slots for the cushion blocks to be inserted, and the cushion blocks are fixedly connected with the bottoms of the slots through connecting bolts.
Through adopting above-mentioned technical scheme, when installing and laying the rail, according to the required length of laying of runway select orbital quantity, then splice a plurality of tracks along the length direction of runway, when two adjacent tracks are connected, two adjacent tracks enclose and close and form and supply cushion male slot, insert the cushion in the slot at last, utilize connecting bolt to connect cushion and two adjacent tracks, realized being connected to the track, it is simple convenient, have good straightness accuracy.
In a specific implementation mode, a clamping block is fixedly connected to the flattening box near one end of the laying rail, a clamping groove for clamping the clamping block is formed in the rotating plate, the clamping groove is communicated with the peripheral wall of the rotating plate, a penetrating groove for sliding and penetrating the clamping block is formed in the peripheral wall of the limiting cylinder, when the penetrating groove is communicated with the clamping groove, the clamping block can slide and separate from the rotating plate, and a sliding groove for sliding the clamping block is formed in the laying rail.
Through adopting above-mentioned technical scheme, when laying the straight way of runway, the amortization box moves along the length direction of laying the rail, when the amortization box that is close to one end of laying the rail removes to the tip of laying the rail, the joint piece passes through groove and joint groove in proper order, at this moment, rotate a plurality of amortization boxes, it drives joint piece and rotor plate and rotates in spacing section of thick bamboo to amortize the box, utilize the inner wall of spacing section of thick bamboo to carry out spacing to the joint piece, when the joint piece rotates 180, the laying to the runway bend has been realized, and at this moment, the notch intercommunication of groove and joint groove is worn to the amortization box and joint piece follow joint groove and wear to slide and break away from in the groove, the amortization box continues to slide along the length direction of laying the rail under the effect of joint piece and spout, the laying of the other side of runway has been realized, it is simple convenient, be favorable to realize good runway and lay the effect.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the surface of the base material is paved, the moving assembly is utilized to drive the mixing assembly and the flattening assembly to move along the length direction of the paving rail, when the mixing assembly and the flattening assembly move to one end of the paving rail, the rotating assembly is utilized to drive the mixing assembly and the flattening assembly to rotate around the end point of the paving rail, and after the mixing assembly and the flattening assembly rotate 180 degrees, the mixing assembly and the flattening assembly are utilized to continue to move along the length direction of the paving rail, so that the paving of the surface of the base material is realized; the polyurethane and the foaming particles are mixed in real time by utilizing the mixing assembly, so that the uniformity of the foaming of the system is improved;
2. when materials in a plurality of flattening boxes are conveyed from one end close to a mixing drum on a paving rail to one end far away from the mixing drum on the paving rail, a motor is started, the motor drives a screw rod to rotate, the screw rod is in threaded connection with a sliding plate, the sliding plate drives a conveying plate to slide along the axis direction of the screw rod, when the sliding plate slides from one end close to the paving rail to one end far away from the paving rail, a limiting plate limits the conveying plate, relative rotation between the conveying plate and the sliding plate is avoided as much as possible, and then the conveying plate is convenient to stir the materials in the flattening boxes close to one end of the paving rail to the flattening boxes far away from one end of the paving rail, so that material in the flattening boxes is evenly distributed, when the conveying plate moves from one end far away from the paving rail to one end close to the paving rail, relative rotation occurs between the sliding plate and the conveying plate, and the conveying plate is convenient to move to one end close to the paving rail.
Drawings
Fig. 1 is a schematic view of the overall structure of a paving apparatus according to an embodiment of the present application.
Fig. 2 is an exploded view of a connector assembly according to an embodiment of the present application.
Fig. 3 is an enlarged view at a in fig. 1.
Fig. 4 is an exploded view of an embodiment of the present application for use in embodying a mixing assembly.
Fig. 5 is a schematic view of the overall structure of a flattening assembly according to an embodiment of the present application.
Fig. 6 is an enlarged view at B in fig. 5.
Fig. 7 is an exploded view of an embodiment of the present application for embodying a delivery assembly.
Fig. 8 is an enlarged view at C in fig. 7.
Reference numerals illustrate: 1. paving a rail; 2. a paving machine; 3. a rotating assembly; 301. a rotating plate; 302. a limiting cylinder; 4. a connection assembly; 41. a sliding block; 42. a cushion block; 5. a mixing assembly; 51. a mixing cylinder; 52. a ramming rod; 53. a driving member; 531. a cylinder; 6. a flattening assembly; 61. flattening the box; 62. a connecting rod; 63. inserting a connecting rod; 7. a moving assembly; 71. a front moving wheel set; 72. a rear moving wheel set; 8. a transport assembly; 81. a screw; 82. a conveying plate; 83. a slip plate; 84. a motor; 85. a support rod; 9. a track; 10. a connecting frame; 11. positioning bolts; 12. a plug-in groove; 13. ground nails; 14. a mounting groove; 15. a slot; 16. a limit rod; 17. a connecting bolt; 18. a frame; 19. a limiting ring; 20. a support rod; 21. a ramming plate; 22. a through hole; 23. a first clamping plate; 24. a second clamping plate; 25. discharging a hopper; 26. pressing the bolt; 27. a discharge chute; 28. a flattening plate; 29. an electric cylinder; 30. a positioning rod; 31. the supporting seat; 32. a limiting block; 33. a moving wheel; 34. a clamping block; 35. a clamping groove; 36. a cambered surface; 37. penetrating a groove; 38. a chute; 39. and (5) mounting a rod.
Description of the embodiments
The application is described in further detail below with reference to fig. 1-8.
The embodiment of the application discloses a construction process of a cast-in-situ polyurethane micro-foaming mixed runway. A construction process of a cast-in-situ polyurethane micro-foaming mixed runway comprises the following steps:
s1: performing foundation cleaning on the ground to be paved;
s2: adopting an asphalt foundation to carry out bottom sealing on the cleaned ground;
s3: detecting and adjusting the level of the bottom sealing layer;
s4: paving a base material on the back cover layer;
s5: mixing polyurethane and foaming particles by using a paving device, and uniformly paving the polyurethane and the foaming particles on the surface of a substrate;
s6: and (5) measuring and drawing a mark line.
In the embodiment, TPU particles can be selected as the foaming particles, and the foaming particles and polyurethane are fully mixed, so that a micro-foaming system of a runway is realized, the physical properties of a field are improved, the cost of materials is reduced to a certain extent, the system is uniformly foamed, and the construction is convenient.
Referring to fig. 1 and 2, the paving device includes a paving rail 1 and a paving machine 2, the length direction of the paving rail 1 is parallel to the length direction of a runway, the paving machine 2 moves along the length direction of the paving rail 1, and both ends of the paving rail 1 are provided with rotating assemblies 3 for limiting the rotating path of the paving machine 2.
The laying rail 1 is formed by splicing a plurality of rails 9, two adjacent rails 9 are detachably connected through a connecting component 4, the connecting component 4 comprises a sliding block 41 and a cushion block 42, one end of each rail 9 is provided with a splicing groove 12, the other end of each sliding block 41 and the other end of each rail 9 are uniformly formed, the sliding block 41 and the splicing groove 12 are in splicing fit, the splicing groove 12 and the rails 9 are communicated towards the bottom wall of the ground, in the embodiment, the sliding block 41 is a dovetail block, the splicing groove 12 is a dovetail groove, and each section of rail 9 is nailed into the ground through a ground nail 13 to realize limit on the height direction of the rail 9, so that the rail 9 is prevented from moving as much as possible.
Two mounting grooves 14 are formed in the side wall, far away from the ground, of each rail 9, the mounting grooves 14 formed in the adjacent two rails 9 in a corresponding mode enclose to form a slot 15 for inserting a cushion block 42, and two ends of the cushion block 42 are fixedly connected with the adjacent two rails 9 through connecting bolts 17.
When the track 1 is installed and paved, the number of the tracks 9 is selected according to the paving length required by the runway, then a plurality of tracks 9 are spliced along the length direction of the runway, the tracks 9 are positioned on the ground by using the ground nails 13, when two adjacent tracks 9 are connected, one of the tracks 9 is spliced with the other track 9 from top to bottom, at the moment, the sliding block 41 is inserted into the inserting groove 12, the two adjacent tracks 9 are enclosed to form the inserting groove 15 for the cushion block 42 to be inserted, finally the cushion block 42 is inserted into the inserting groove 15, and the cushion block 42 and the two adjacent tracks 9 are connected by using the connecting bolts 17, so that the track 9 and the track 9 have good straightness.
Referring to fig. 3, the paving machine 2 includes a frame 18, a mixing assembly 5 for mixing materials, a leveling assembly 6 for leveling the materials on a substrate, and a moving assembly 7 for driving the mixing assembly 5 and the leveling assembly 6 to move, wherein the mixing assembly 5, the leveling assembly 6, and the moving assembly 7 are all disposed on the frame 18.
Referring to fig. 4, the mixing assembly 5 includes a mixing drum 51, a material tamping rod 52 and a driving member 53, a limiting ring 19 for limiting the material tamping rod 52 is disposed at the drum opening of the mixing drum 51, the limiting ring 19 is fixedly connected with the mixing drum 51 through a supporting rod 20, one end of the material tamping rod 52 extends into the mixing drum 51 and is fixedly connected with a material tamping plate 21, the diameter of the material tamping plate 21 is smaller than that of the mixing drum 51, a plurality of through holes 22 are uniformly formed in the material tamping plate 21 along the circumferential direction, the driving member 53 is used for driving the material tamping rod 52 to reciprocate along the axis direction of the mixing drum 51, in this embodiment, the driving member 53 is a cylinder 531, the cylinder 531 is fixedly connected with the drum opening of the mixing drum 51 through a connecting frame 10, and a piston rod of the cylinder 531 is fixedly connected with one end of the material tamping rod 52 away from the material tamping plate 21.
When mixing polyurethane and foaming granule, start cylinder 531, the piston rod of cylinder 531 drives and tamps material pole 52 and tamp material board 21 along the axis direction reciprocating motion of compounding section of thick bamboo 51, utilizes the locating part to carry out spacingly to the direction of motion of tamping material pole 52, and at this moment, polyurethane and foaming granule in the compounding section of thick bamboo 51 extrude in from through-hole 22, tamp material through reciprocating polyurethane and foaming granule in the compounding section of thick bamboo 51, be favorable to realizing good polyurethane and foaming granule's mixed effect.
Referring to fig. 5 and 6, the flattening component 6 includes a plurality of flattening boxes 61, a connecting rod 62 and a plugging rod 63, the flattening boxes 61 are connected with each other in a telescopic manner, one of the two adjacent flattening boxes 61 is slidably clamped in the other flattening box 61, both ends of the flattening box 61 which are clamped in the interior are respectively provided with a first clamping plate 23, both ends of the flattening box 61 which are arranged in the exterior are respectively provided with a second clamping plate 24, and the first clamping plates 23 and the second clamping plates 24 are utilized to avoid mutual separation between the two adjacent flattening boxes 61 as much as possible.
Referring to fig. 3, 4 and 6, the flattening box 61 close to the laying rail 1 is fixedly connected with the frame 18, the mixing barrel 51 is obliquely fixed on the frame 18, a conical discharge hopper 25 is arranged on a discharge port of one end of the mixing barrel 51 far away from the laying rail 1, one end of the discharge hopper 25 far away from the mixing barrel 51 is communicated with a communicating pipe, an electromagnetic valve is arranged on the communicating pipe, one side of the communicating pipe far away from the mixing barrel 51 is arranged above the flattening box 61 close to the laying rail 1, and the distance from the mixing barrel 51 to the flattening box 61 increases from one end close to the flattening box 61 to one end far away from the flattening box 61.
Referring to fig. 5 and 6, one end of a connecting rod 62 is fixedly connected with a flattening box 61 close to one side of the laying rail 1, one end of a plugging rod 63 is fixedly connected with a flattening box 61 far away from one side of the laying rail 1, the other end of the connecting rod 62 is slidingly plugged in the plugging rod 63, a pressing bolt 26 is arranged on the peripheral wall of the plugging rod 63 close to the connecting rod 62 in a threaded connection manner, one end of the pressing bolt 26 far away from a screw head penetrates through the peripheral wall of the plugging rod 63 and is abutted with the peripheral wall of the connecting rod 62, discharge grooves 27 are formed in the side walls of a plurality of flattening boxes 61 perpendicular to the movement direction, and the extending direction of the discharge grooves 27 is parallel to the extending direction of the flattening boxes 61.
Referring to fig. 5, a plurality of leveling boxes 61 are provided with a leveling plate 28 on the side wall facing the ground, an electric cylinder 29 is fixedly connected to the frame 18, positioning rods 30 are respectively arranged at two ends of the leveling plate 28, one of the positioning rods 30 is in sliding connection with the leveling box 61 on the side far away from the frame 18, the other positioning rod 30 is in sliding connection with the leveling box 61 on the side close to the frame 18, a piston rod of the electric cylinder 29 is coaxially and fixedly connected with the positioning rod 30 on the side close to the frame 18, and the length direction of the leveling plate 28 is parallel to the extending direction of the leveling boxes 61.
When runways with different widths are constructed, firstly, the distance between a plurality of flattening boxes 61 is adjusted, so that the distance between the flattening box 61 close to one end of the paving rail 1 and the flattening box 61 far away from one end of the paving rail 1 is larger than the width of the runway to be paved, at the moment, the connecting rod 62 and the inserting rod 63 are relatively displaced, and finally, one end of the pressing bolt 26 far away from the screw head is abutted against the peripheral wall of the connecting rod 62, so that the relative position between the connecting rod 62 and the inserting rod 63 is positioned, and further, the distance between the flattening box 61 close to one end of the paving rail 1 and the flattening box 61 far away from one end of the paving rail 1 is positioned, and paving and discharging of runways with different widths are conveniently realized; when the materials in the flattening box 61 are extruded from the discharge chute 27, the piston rod of the electric cylinder 29 drives the flattening plate 28 to reciprocate along the horizontal direction, so that the materials discharged from the discharge chute 27 are flattened conveniently, and a good paving effect on the runway is achieved.
Referring to fig. 7 and 8, a conveying component 8 for conveying a material close to one side of a laying rail 1 in a direction away from a frame 18 is arranged in each of a plurality of leveling boxes 61, the conveying component 8 comprises a screw 81, a conveying plate 82, a sliding plate 83, a motor 84 and a supporting rod 85, one end of the screw 81 is in rotary connection with the leveling box 61 close to the frame 18, the other end of the screw 81 is in coaxial fixed connection with the supporting rod 85, the motor 84 is fixedly connected to the leveling box 61 close to the laying rail 1, an output shaft of the motor 84 is in transmission connection with the screw 81, one end of the supporting rod 85, which is far away from the screw 81, extends out of a side wall of the leveling box 61, which is far away from one side of the laying rail 1, a supporting seat 31 is fixedly connected to the side wall of the leveling box 61, the supporting rod 85 is in sliding connection with the supporting seat 31, the sliding plate 83 is in threaded connection with the screw 81, two opposite side walls of the sliding plate 83 are abutted against the inner wall of the leveling box 61, the conveying plate 82 and the sliding plate 83 are in rotary connection with the side wall, which is toward the inner bottom wall of the leveling box 61, the axis of the conveying plate 82 is perpendicular to the axis direction of the screw 81, one end of the supporting plate 83 extends out of the side wall, which is close to the side wall 83, which is in the direction close to the side of the laying rail 1, and is fixedly connected with a limiting block 32.
When materials in a plurality of flattening boxes 61 are conveyed from one end of a mixing cylinder 51 close to a paving rail 1 to one end of the mixing cylinder 51 far from the paving rail 1, a motor 84 is started, the motor 84 drives a screw 81 to rotate, the screw 81 is in threaded connection with a sliding plate 83, the sliding plate 83 drives a conveying plate 82 to move along the axis direction of the screw 81, when the sliding plate 83 slides from one end close to the paving rail 1 to one end far from the paving rail 1, a limiting plate limits the conveying plate 82, relative rotation between the conveying plate 82 and the sliding plate 83 is avoided as much as possible, and then the conveying plate 82 is convenient to stir the materials in the flattening boxes 61 close to one end of the paving rail 1 into the flattening boxes 61 far from one end of the paving rail 1, so that material in the flattening boxes 61 is evenly distributed, and when the conveying plate 82 moves from one end far from the paving rail 1 to one end close to the paving rail 1, relative rotation occurs between the sliding plate 83 and the conveying plate 82, and the conveying plate 82 is convenient to move to one end close to the paving rail 1; when the distance between the plurality of flattening boxes 61 changes, the supporting rod 85 and the supporting seat 31 slide relatively, so that the end of the screw 81 far from the laying rail 1 is supported.
Referring to fig. 5 and 6, the moving assembly 7 includes a front moving wheel set 71 and a rear moving wheel set 72, the front moving wheel set 71 and the rear moving wheel set 72 include two moving wheels 33 and a limiting rod 16, the two moving wheels 33 are all rotationally connected with each other and provided with a mounting rod 39, the inside of the limiting rod 16 is hollow, the mounting rods 39 are in one-to-one correspondence with the end parts of the limiting rod 16, one end of the mounting rod 39, which is far away from the moving wheels 33, is inserted into the limiting rod 16, both ends of the limiting rod 16 are provided with positioning bolts 11, and one end, which is far away from a screw head, of the positioning bolts 11 penetrates through the peripheral wall of the limiting rod 16 and is in butt joint with the side wall of the mounting rod 39. One of the mounting rods 39 in the rear moving wheel set 72 is fixedly connected with the flattening box 61 on the side close to the paving rail 1, the other mounting rod 39 in the rear moving wheel set 72 is fixedly connected with the flattening box 61 on the side far away from the paving rail 1, and the peripheral wall of the limiting rod 16 corresponding to the front moving wheel set 71 is rotatably connected with the flattening box 61 arranged in the middle.
When the curve part of the runway is required to be paved, the front moving wheel set 71 and the flattening box 61 are enabled to rotate relatively, and then the end point of one end of the paved rail 1 is enabled to rotate as the rotation center between the front moving wheel set 71 and the rear moving wheel set 72, so that the runway curve part is paved conveniently, time and labor are saved, and good paving effect is facilitated.
Referring to fig. 2, the rotating assembly 3 includes a rotating plate 301 and a limiting cylinder 302, the limiting cylinder 302 is fixedly connected to the end of the laying rail 1, the rotating plate 301 is rotatably connected to the inside of the limiting cylinder 302, a clamping block 34 is fixedly connected to the frame 18, a clamping groove 35 for clamping the clamping block 34 is formed in the rotating plate 301, the clamping groove 35 is communicated with the peripheral wall of the rotating plate 301, cambered surfaces 36 matched with the peripheral wall of the rotating plate 301 are formed at two ends of the clamping block 34, a penetrating groove 37 for sliding and penetrating the clamping block 34 is formed in the peripheral wall of the limiting cylinder 302, the width of the penetrating groove 37 is identical to the width of the clamping block 34, when the penetrating groove 37 is communicated with the clamping groove 35, the clamping block 34 can slide and separate from the rotating plate 301, and a sliding groove 38 for sliding the clamping block 34 is formed in the laying rail 1.
When the straight track of the runway is paved, the flattening boxes 61 move along the length direction of the paving track 1, when the flattening boxes 61 close to one end of the paving track 1 move to the end of the paving track 1, the clamping blocks 34 sequentially penetrate through the through grooves 37 and the clamping grooves 35, at the moment, the flattening boxes 61 rotate to drive the clamping blocks 34 and the rotating plates 301 to rotate in the limiting cylinders 302, the clamping blocks 34 are limited by the inner walls of the limiting cylinders 302, when the clamping blocks 34 rotate 180 degrees, the track curve is paved, at the moment, the notch of the through grooves 37 and the notch of the clamping grooves 35 are communicated, the flattening boxes 61 and the clamping blocks 34 slide away from the clamping grooves 35 and the through grooves 37, the flattening boxes 61 slide continuously along the length direction of the paving track 1 under the action of the clamping blocks 34 and the sliding grooves 38, the track other side of the straight track is paved, simplicity and convenience are realized, and good track paving effects are facilitated.
The implementation principle of the construction process of the cast-in-situ polyurethane micro-foaming mixed runway provided by the embodiment of the application is as follows: when the surface of a base material is paved, firstly, the mixing component 5 and the flattening component 6 are driven to move along the length direction of the paving rail 1 by manually pushing the moving component 7, when the mixing component 5 and the flattening component 6 move to one end of the paving rail 1, the mixing component 5 and the flattening component 6 are driven to rotate around the end point of the paving rail 1 by the rotating component 3, and after the mixing component 5 and the flattening component 6 rotate 180 degrees, the mixing component 5 and the flattening component 6 are used to continuously move along the length direction of the paving rail 1, so that the surface of the base material is paved; the polyurethane and the foaming particles are mixed in real time by utilizing the mixing component 5, so that the uniformity of the foaming of the system is improved.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (6)
1. A construction process of a cast-in-situ polyurethane micro-foaming mixed runway is characterized in that: the method comprises the following steps:
performing foundation cleaning on the ground to be paved;
adopting an asphalt foundation to carry out bottom sealing on the cleaned ground;
detecting and adjusting the level of the bottom sealing layer;
paving a base material on the back cover layer;
mixing polyurethane and foaming particles by using a paving device, and uniformly paving the polyurethane and the foaming particles on the surface of a substrate;
the paving device comprises a paving rail (1) and a paving machine (2), the length direction of the paving rail (1) is parallel to the length direction of a runway, the paving machine (2) moves along the length direction of the paving rail (1), rotating assemblies (3) used for limiting the rotating path of the paving machine (2) are arranged at two ends of the paving rail (1), the paving machine (2) comprises a mixing assembly (5) used for mixing materials, a leveling assembly (6) used for leveling the materials on a base material, and a moving assembly (7) used for driving the mixing assembly (5) and the leveling assembly (6) to move, the mixing assembly (5) comprises a mixing barrel (51), a material leveling rod (52) and a driving piece (53), one end of the material leveling rod (52) stretches into the mixing barrel (51), the driving piece (53) is used for driving the material leveling rod (52) to move along the axis direction of the mixing barrel (51), the mixing barrel (51) is provided with a plurality of leveling assemblies (62) used for leveling rods (61) and a plurality of connecting boxes (61) which can be connected with the connecting boxes (61) in a telescopic mode, one end of the connecting rod (62) is fixedly connected with the flattening box (61) close to one side of the paving rail (1), one end of the inserting rod (63) is fixedly connected with the flattening box (61) far away from one side of the paving rail (1), the other end of the connecting rod (62) is inserted into the inserting rod (63), the moving assembly (7) comprises a front moving wheel set (71) and a rear moving wheel set (72), the front moving wheel set (71) is arranged on one side of the flattening box (61) and is rotationally connected with the flattening box (61), the rear moving wheel set (72) is arranged on the other side of the flattening box (61), the rotating assembly (3) comprises a rotating plate (301) and a limiting cylinder (302), the limiting cylinder (302) is fixedly connected with the end of the paving rail (1), and the rotating plate (301) is rotationally connected with the limiting cylinder (302).
And (5) measuring and drawing a mark line.
2. The construction process of the cast-in-situ polyurethane micro-foaming mixed runway according to claim 1, which is characterized in that: one end of the ramming rod (52) extending into the mixing barrel (51) is provided with a ramming plate (21), and a plurality of through holes (22) are formed in the ramming plate (21).
3. The construction process of the cast-in-situ polyurethane micro-foaming mixed runway according to claim 2, which is characterized in that: the side wall of the plugging rod (63) is connected with a pressing bolt (26) in a threaded manner, one end, far away from a screw head, of the pressing bolt (26) is abutted to the side wall of the connecting rod (62), a plurality of discharging grooves (27) are formed in the side wall of the flattening box (61), and the discharging holes, close to one side of the laying rail (1), of the flattening box (61) and the mixing barrel (51) are communicated.
4. The construction process of the cast-in-situ polyurethane micro-foaming mixed runway according to claim 3, which is characterized in that: a plurality of conveying components (8) used for conveying materials close to one side of the paving rail (1) to one side far away from the paving rail (1) are arranged in the flattening boxes (61), each conveying component (8) comprises a screw rod (81), a conveying plate (82), a sliding plate (83), a motor (84) and a supporting rod (85), one end of each screw rod (81) is rotationally connected with one end of the flattening box (61) close to one side of the paving rail (1), the other end of each screw rod (81) is fixedly connected with the supporting rod (85) in a coaxial mode, one end of each supporting rod (85) far away from the screw rod (81) extends out of the side wall of the flattening box (61) far away from one side of the paving rail (1), a supporting seat (31) is arranged on the flattening box (61) far away from one side of the paving rail (1), the supporting rod (85) slides through the supporting seat (31), the sliding plate (83) is connected with the screw rod (81) in a threaded mode and is connected with the screw rod (81) in a threaded mode along the axial line direction of the screw rod (81), the sliding plate (83) is connected with the sliding plate (83) in a sliding plate (83) close to one side wall (83) of the paving rail (1), the motor (84) is arranged on the flattening box (61) and is in transmission connection with the screw (81).
5. The construction process of the cast-in-situ polyurethane micro-foaming mixed runway according to claim 1, which is characterized in that: lay rail (1) including a plurality of tracks (9), adjacent two can dismantle through coupling assembling (4) between track (9), coupling assembling (4) are including sliding block (41) and cushion (42), one of them fixedly connected with sliding block (41) on track (9), another offer on track (9) and supply jack-in groove (12) that sliding block (41) pegged graft, a plurality of all offered mounting groove (14) on track (9), adjacent two mounting groove (14) on track (9) enclose and close and form confession cushion (42) male slot (15), cushion (42) pass through connecting bolt (17) with slot (15) tank bottom fixed connection.
6. The construction process of the cast-in-situ polyurethane micro-foaming mixed runway according to claim 4, which is characterized in that: be close to lay on box (61) of rail (1) one end fixedly connected with joint piece (34), offer on rotor plate (301) confession joint groove (35) of joint piece (34) joint, joint groove (35) with the perisporium intercommunication of rotor plate (301), offer on the perisporium of spacing section of thick bamboo (302) confession joint piece (34) slip wears groove (37) of establishing, works as wear groove (37) with when joint groove (35) communicate, joint piece (34) can follow slip break away from in rotor plate (301), offer on rail (1) confession spout (38) that joint piece (34) slipped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210826420.XA CN115012275B (en) | 2022-07-14 | 2022-07-14 | Construction process of cast-in-situ polyurethane micro-foaming mixed runway |
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| CN202210826420.XA CN115012275B (en) | 2022-07-14 | 2022-07-14 | Construction process of cast-in-situ polyurethane micro-foaming mixed runway |
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| CN115012275B true CN115012275B (en) | 2023-12-05 |
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| GB1134345A (en) * | 1966-05-27 | 1968-11-20 | Minnesota Mining & Mfg | Paving surfacing |
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|---|---|
| CN115012275A (en) | 2022-09-06 |
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