CN114150555A - Paving and leveling process for road construction pavement - Google Patents
Paving and leveling process for road construction pavement Download PDFInfo
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- CN114150555A CN114150555A CN202111444636.1A CN202111444636A CN114150555A CN 114150555 A CN114150555 A CN 114150555A CN 202111444636 A CN202111444636 A CN 202111444636A CN 114150555 A CN114150555 A CN 114150555A
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- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000008569 process Effects 0.000 title claims abstract description 43
- 238000010276 construction Methods 0.000 title claims abstract description 25
- 230000006835 compression Effects 0.000 claims abstract description 44
- 238000007906 compression Methods 0.000 claims abstract description 44
- 238000003825 pressing Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 239000004568 cement Substances 0.000 claims description 43
- 238000003756 stirring Methods 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 description 4
- 238000007790 scraping Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/48—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ
- E01C19/4833—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for laying-down the materials and consolidating them, or finishing the surface, e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ with tamping or vibrating means for consolidating or finishing, e.g. immersed vibrators, with or without non-vibratory or non-percussive pressing or smoothing means
- E01C19/4853—Apparatus designed for railless operation, e.g. crawler-mounted, provided with portable trackway arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
- B08B1/165—Scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/46—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
- E01C19/47—Hydraulic cement concrete mixers combined with distributing means specially adapted for road building
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a road construction pavement paving and leveling process which is characterized by comprising the following steps: s1, designing a pavement paving and leveling device; s2, during construction, a constructor firstly drives a machine shell of the road paving and leveling device to a road to be paved; s3, after the concrete is filled, the constructor starts the power wheel to uniformly spread the discharged concrete on the road surface in cooperation with the moving shell; s4, flattening the concrete paved on the road surface by using the compression roller, and simultaneously driving the limiting sleeve to reciprocate along the surface of the limiting rod in the vertical direction, so that the uniformly paved concrete is tamped and vibrated by quickly moving the vibration pressing plate downwards; s5, repeating the step S4 to enable the jolt ramming plate to repeatedly move downwards to bump and shake, and matching with subsequent compression rollers to level, so that the concrete paving quality is greatly improved; s6, in the vertical moving process of the moving rod, the scraper moves along the surface of the compression roller under the transmission of the bearing plate and the limiting block, and pits on the surface are filled, so that the smoothness of the road surface is guaranteed.
Description
Technical Field
The invention relates to the technical field of road construction devices, in particular to a road construction pavement paving and leveling process.
Background
In the process of road construction, concrete is often used to pave the road surface. Traditional concrete process of paving needs artifical commander to unload, with the preliminary even laying of concrete on the road surface, the follow-up manual work of cooperation is tamped levelly and smoothly, greatly reduced the efficiency of construction when intensity of labour is too big, very inconvenient in the in-service use process.
Disclosure of Invention
The invention aims to provide a paving and leveling process for a road construction road surface, which has the advantages that concrete is automatically and uniformly unloaded from the road surface, the leveling process of a subsequent compression roller is matched, the paving quality of the concrete is greatly improved, the condition that pits occur on the road surface due to uneven paving is reduced, the concrete pits can be filled, the smoothness of the road surface is further ensured, and the technical problems in the background technology are solved.
The invention provides the following technical scheme: a road construction pavement paving and leveling process is characterized by comprising the following steps:
s1, designing a pavement paving and leveling device;
s2, during construction, a constructor firstly drives a machine shell (1) of the road paving and leveling device to a road to be paved, enables a compression roller (6) to cross over the road, then guides concrete into a hopper (7), and the concrete enters a cement box (36) in the hopper through a feeding pipe (3);
s3, after the concrete is filled, a constructor starts the power wheel (2), the power wheel (2) drives the casing (1) to move along the road, and at the moment, the concrete in the cement box (36) falls to the surface of the discharge plate (35), so that the discharged concrete is matched with the moving casing (1) to be uniformly paved on the road surface;
s4, simultaneously, flattening the concrete paved on the road surface by using the compression roller (6), wherein the compression roller (6) rotates under the action of friction force in the flattening process, so that the movable rod (8) is driven to move back and forth along the inner wall of the limiting sleeve (11), and the limiting sleeve (11) is driven to reciprocate in the vertical direction along the surface of the limiting rod (10), so that the uniformly paved concrete is tamped and vibrated by quickly moving down the vibration pressing plate (16);
s5, repeating the step S4, enabling the vibration pressing plate (16) to repeatedly move downwards to impact and vibrate, and matching with the subsequent pressing roller (6) for leveling, greatly improving the concrete paving quality, and reducing the occurrence of potholes on the road surface caused by uneven paving;
s6, in the process that the movable rod (8) moves back and forth along the inner wall of the limiting sleeve (11) and vertically moves up and down, the movable plate (24) drives the piston plate (22) to transversely move along the inner wall of the cement box (36), so that concrete in the cement box is driven to be stirred and prevented from solidifying, meanwhile, the movable plate (24) is driven to vertically reciprocate along the inner wall of the chute (23), the gear (26) is driven to rotate, the rotating rod (27) is driven to enable the stirring blade (28) to rotate to stir the concrete, and the fluidity of the concrete is guaranteed so that the concrete can be normally fed; meanwhile, in the vertical moving process of the moving rod (8), under the transmission of the bearing plate (29) and the limiting block (30), the scraper (32) moves along the surface of the compression roller (6), the concrete adhered to the surface of the scraper is scraped off, and meanwhile, the scraper falls on the surface of a concrete layer which is not flattened by the compression roller (6), so that pits on the surface of the concrete layer are filled, and the smoothness of the pavement is ensured.
In the step S3, the concrete falls onto the surface of the discharging plate (35) through the discharging filter screen (4), and the discharging plate (35) is obliquely arranged, so that the concrete is uniformly spread on the road surface, and the flatness of the road surface after the concrete layer is solidified is ensured.
In the step S4, when the position-limiting sleeve (11) moves down along the surface of the position-limiting rod (10), the pushing block (38) is driven to move down, so that the pushing block abuts against the inclined portion (21) of the movable sheath (19), and the movable sheath (19) is pushed to extrude the second spring (20) to slide, so that the pushing block (38) and the position-limiting sleeve (11) move down continuously across the movable sheath (19), and then the position-limiting sleeve (11) moves up along the surface of the position-limiting rod (10) under the driving of the movable rod (8), so that the pushing block (38) abuts against the flat bottom surface of the movable sheath (19), and the sliding block (13) is driven to extrude the first spring (14) to move up; when the inclined part (21) of the movable sheath (19) moves to abut against the bottom surface of the abutting block (37), the movable sheath (19) is continuously driven to continuously move upwards along with the pushing block (38), so that the movable sheath (19) extrudes the second spring (20) to slide until the second spring is separated from the pushing block (38) under the limit of the inclined bottom surface of the abutting block (37), the sliding block (13) and the vibration pressing plate (16) are driven to rapidly move downwards under the elastic restoring force of the first spring (14), and the continuous movement is stopped until the sliding block (13) abuts against the clamping block (17), and the vibration pressing plate (16) is driven to rapidly move downwards.
In the scheme, the road paving and leveling device comprises a machine shell (1), wherein a power wheel (2) is fixedly mounted on the side surface of the machine shell (1), a cement box (36) is fixedly connected to the inner wall of the machine shell (1), and a feeding pipe (3) is fixedly mounted at the top of the cement box (36);
ejection of compact filter screen (4) fixed mounting is in the bottom of cement box (36), the inner wall dead axle of casing (1) rotates and is connected with drive shaft (5), the fixed compression roller (6) that has cup jointed of beam hanger of drive shaft (5), still include right the part of vibrating that cement box (36) bottom exhaust concrete vibrates, the upper end fixed mounting of inlet pipe (3) has funnel (7).
In the present case, the vibrating part comprises a moving rod (8) and a stirring part, wherein: the moving rod (8) is hinged to the side face of the press roller (6), and the inner wall of the shell (1) is fixedly connected with an operation panel (9); the inner wall of the operation panel (9) is fixedly connected with a vertically arranged limiting rod (10), the surface of the limiting rod (10) is sleeved with a limiting sleeve (11) in a sliding mode, a through hole is formed in the side face of the limiting sleeve (11), and the limiting sleeve (11) is connected with the shaft arm of the moving rod (8) in a sliding mode through the through hole; a first limiting groove (12) is formed in the surface of the operating panel (9), a sliding block (13) is connected to the inner wall of the first limiting groove (12) in a sliding mode, a first spring (14) is fixedly connected to the upper end of the sliding block (13) and the inner wall of the first limiting groove (12) together, and a connecting rod (15) is fixedly connected to the bottom surface of the sliding block (13); a vibration pressing plate (16) is fixedly connected to the ground of the connecting rod (15), one end, close to the cement box (36), of the vibration pressing plate (16) is arranged to be in a tilted shape, a clamping block (17) is fixedly connected to the inner wall of the first limiting groove (12), a second limiting groove (18) is formed in the side face of the sliding block (13), and a moving sheath (19) is slidably connected to the inner wall of the second limiting groove (18); one side of the movable sheath (19) far away from the limiting rod (10) and one side of the movable sheath (19) close to the limiting rod (10) are fixedly connected with a second spring (20) together, the surface of the operation panel (9) is detachably connected with a butting block (37) through a bolt connecting part, the bottom surface of the butting block (37) is in an inclined shape, one end of the movable sheath (19) close to the limiting rod (10) is provided with an inclined part (21), and the surface of the limiting sleeve (11) is fixedly connected with a pushing block (38);
the stirring component is used for preventing concrete stored in the cement box (36) from solidifying and comprises a piston plate (22), the surface of the piston plate (22) is in sealed sliding connection with the inner wall of the cement box (36), and a sliding groove (23) is formed in one side, close to the operation panel (9), of the piston plate (22); the inner wall sliding connection of spout (23) has movable plate (24), one side that movable plate (24) are close to operating panel (9) with the tip fixed connection of carriage release lever (8), the side fixed mounting of movable plate (24) has tooth row (25), the surface meshing of tooth row (25) has gear (26).
In the scheme, a wear-resistant metal sleeve (34) is fixedly sleeved on the surface of the compression roller (6), and raised patterns are arranged on the surface of the wear-resistant metal sleeve (34).
In the scheme, the discharge plate (35) is fixed at the bottom end of the cement box (36), and the position of the discharge plate (35) corresponds to the vibration pressing plate (16).
The beneficial effects are as follows:
firstly, the construction process ensures the flatness of the road surface by compacting and paving the concrete paved on the road by the compression roller after the concrete is compacted and primarily leveled by the vibrating part.
Two, this construction process passes through the carriage release lever, under the drive fit of stop collar and shake the clamp plate, drive the vertical reciprocating motion in surface of stop collar along the stop collar, drive the slider and shake the clamp plate and move down rapidly under the elastic restoring force of spring one, stop to continue to move when slider and fixture block butt, thereby the process that moves down fast through shaking the clamp plate is to the concrete tamping vibration that paves, repeat above-mentioned process, can make the repeated shock-absorbing shock that moves down of jolt clamp plate, the flattening process of the follow-up compression roller of cooperation, the quality of concrete paving has been promoted greatly, reduce the unevenness that paves and cause the road surface to take place the hole condition.
And thirdly, under the transmission matching of the moving rod, the piston plate and the stirring blade, the construction process drives the piston plate to transversely move along the inner wall of the cement box under the transmission of the moving plate, so that the concrete in the cement box is driven to be stirred, the solidification of the concrete is prevented, and meanwhile, the stirring blade is rotated to stir the concrete under the transmission of the rotating rod, so that the flowability of the concrete is further ensured, and the concrete is normally discharged.
And fourthly, the construction process enables the scraper to move along the surface of the compression roller through the vertical movement process of the movable rod under the transmission of the bearing plate and the limiting block, the concrete adhered to the surface of the scraper is scraped off, and meanwhile, the scraper falls on the surface of a concrete layer which is not flattened by the compression roller, the depression on the surface of the concrete layer is filled, and the smoothness of the pavement is further ensured.
Drawings
Fig. 1 is an isometric view of a paving screed for a roadway as used in the present invention;
FIG. 2 is a front cross-sectional view of a pavement paving screed employed in the present invention;
FIG. 3 is a schematic view of a first motion state of a portion of the structure of FIG. 2;
FIG. 4 is a second motion state diagram of a portion of the structure of FIG. 2;
FIG. 5 is an enlarged view of the structure at A in FIG. 2;
FIG. 6 is a rear cross-sectional view of a portion of the structure of FIG. 2;
FIG. 7 is a top cross-sectional view of a portion of the structure of FIG. 2;
fig. 8 is a left side sectional view of a portion of the structure of fig. 2.
In the figure: 1. a housing; 2. a power wheel; 3. a feed pipe; 4. discharging a filter screen; 5. a drive shaft; 6. a compression roller; 7. a funnel; 8. a travel bar; 9. an operation panel; 10. a limiting rod; 11. a limiting sleeve; 12. a first limiting groove; 13. a slider; 14. a first spring; 15. a connecting rod; 16. vibrating and pressing the plate; 17. a clamping block; 18. a second limiting groove; 19. moving the sheath; 20. a second spring; 21. a bevel portion; 22. a piston plate; 23. a chute; 24. moving the plate; 25. a tooth row; 26. a gear; 27. rotating the rod; 28. stirring blades; 29. a bearing plate; 30. a limiting block; 31. a third limiting groove; 32. a squeegee; 33. a third spring; 34. a wear-resistant metal sleeve; 35. a discharge plate; 36. a cement box; 37. a butting block; 38. and (7) pushing the block.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
A road construction pavement paving and leveling process is characterized by comprising the following steps:
s1, designing a pavement paving and leveling device;
referring to fig. 1 to 8, the road surface paving and leveling device includes a casing 1, a power wheel 2 is fixedly mounted on a side surface of the casing 1, the power wheel 2 can be driven by an external motor, a cement box 36 is fixedly connected to an inner wall of the casing 1, a feeding pipe 3 is fixedly mounted on a top of the cement box 36, and an opening for the feeding pipe 3 to pass through and be fixedly connected with is formed at a top end of the casing 1;
the bottom end of the cement box 36 is fixedly provided with a discharging filter screen 4, the inner wall of the casing 1 is connected with a driving shaft 5 in a fixed-shaft rotating manner, the shaft arm of the driving shaft 5 is fixedly sleeved with a compression roller 6, the vibrating part is used for vibrating concrete discharged from the bottom end of the cement box 36, the upper end of the feeding pipe 3 is fixedly provided with a funnel 7, a constructor firstly drives the casing 1 on the surface of a road to be paved and enables the compression roller 6 to cross over the road, then the constructor guides the concrete into the funnel 7 and enables the concrete to enter the cement box 36 through the feeding pipe 3, after the concrete is filled, the power wheel 2 is started to drive the casing 1 to run along the road, at the moment, the concrete in the cement box 36 drops to the surface of the discharging plate 35 through the discharging filter screen 4, the discharged concrete can be uniformly paved on the road surface in a matching manner, and the concrete paved on the road is tightly and preliminarily leveled after the vibrating part is vibrated, and then the rolling and the paving are carried out by the compression roller 6, so that the flatness of the road surface is ensured.
In order to improve the paving quality of concrete and reduce the occurrence of potholes on the road surface caused by uneven paving, further, the vibrating component comprises a moving rod 8, the moving rod 8 is hinged on the side surface of the compression roller 6, an operation panel 9 is fixedly connected to the inner wall of the casing 1, a vertically arranged limiting rod 10 is fixedly connected to the inner wall of the operation panel 9, a limiting sleeve 11 is sleeved on the surface of the limiting rod 10 in a sliding manner, a through hole is formed in the side surface of the limiting sleeve 11, the limiting sleeve 11 is slidably connected with a shaft arm of the moving rod 8 through the through hole, a limiting groove 12 is formed in the surface of the operation panel 9, a sliding block 13 is slidably connected to the inner wall of the limiting groove 12, a spring 14 is fixedly connected to the upper end of the sliding block 13 and the inner wall of the limiting groove 12 together, a connecting rod 15 is fixedly connected to the bottom surface of the sliding block 13, a vibration pressing plate 16 is fixedly connected to the ground of the connecting rod 15, one end, which is close to the cement box 36, is arranged in a tilted shape, a clamping block 17 is fixedly connected to the inner wall of the first limiting groove 12, a second limiting groove 18 is formed in the side face of the sliding block 13, a moving sheath 19 is connected to the inner wall of the second limiting groove 18 in a sliding mode, a spring 20 is fixedly connected to one side, far away from the limiting rod 10, of the moving sheath 19 and one side, close to the limiting rod 10, of the moving sheath 19, the surface of the operating panel 9 is detachably connected with a butting block 37 through a bolt connecting part, the bottom surface of the butting block 37 is inclined, an inclined part 21 is arranged at one end, close to the limiting rod 10, of the moving sheath 19, a pushing block 38 is fixedly connected to the surface of the limiting sleeve 11, in the concrete leveling process of the pressing roller 6, the pressing roller 6 rotates through friction force, so that the pressing roller 6 rotates to drive the moving rod 8 to move back and forth along the inner wall of the limiting sleeve 11, the limiting sleeve 11 vertically reciprocates along the surface of the limiting rod 10, in the downward movement process of the limiting sleeve 11 along the surface of the limiting rod 10, as shown in fig. 2 to the state shown in fig. 4, the limiting sleeve 11 pushes the pushing block 38 to move downwards, then the pushing block 38 abuts against the inclined portion 21 of the moving sheath 19, further the moving sheath 19 is pushed to press the second spring 20 to slide, the pushing block 38 and the limiting sleeve 11 are driven to move downwards continuously beyond the moving sheath 19, then the limiting sleeve 11 is driven by the moving rod 8 to move upwards, further the pushing block 38 abuts against the flat bottom surface of the moving sheath 19, thereby the first spring 14 is driven to move upwards, when the inclined portion 21 of the moving sheath 19 moves to abut against the bottom surface of the abutting block 37, the moving sheath 19 is driven by the pushing block 38 to move upwards, further under the limit of the inclined bottom surface of the abutting block 37, the moving sheath 19 presses the second spring 20 to move away from the pushing block 38, thereby the sliding block 13 and the jolt pressing plate 16 move downwards rapidly under the elastic restoring force of the first spring 14, until the sliding block 13 abuts against the clamping block 17 and stops moving, and then tamp the concrete that paves through the process that jolt squeeze board 16 moved down fast and vibrate, through the repeated above-mentioned process, can make jolt squeeze board 16 repeatedly move down and vibrate the concrete layer, and the flattening process of follow-up compression roller 6 of cooperation has promoted the quality that the concrete paved greatly, reduces and paves the unevenness and causes the condition that the road surface takes place pothole.
In order to ensure the fluidity of concrete and ensure the concrete to be normally fed, the concrete feeding device further comprises a stirring part for preventing the concrete stored in the cement box 36 from being solidified, the stirring part comprises a piston plate 22, the surface of the piston plate 22 is in sealed sliding connection with the inner wall of the cement box 36, one side of the piston plate 22 close to the operation panel 9 is provided with a sliding chute 23, the inner wall of the sliding chute 23 is in sliding connection with a moving plate 24, one side of the moving plate 24 close to the operation panel 9 is fixedly connected with the end part of a moving rod 8, the side surface of the moving plate 24 is fixedly provided with a tooth row 25, the surface of the tooth row 25 is engaged with a gear 26, the surface of the gear 26 is provided with a through hole, the gear 26 is fixedly connected with a rotating rod 27 through the through hole, the surface of the piston plate 22 is provided with an opening through which the rotating rod 27 passes and is in sealed rotating connection with the rotating rod, the shaft arm of the rotating rod 27 is fixedly provided with a stirring blade 28, and the moving rod 8 moves back and forth along the inner wall of the limiting sleeve 11, and in the process of up-and-down displacement of the movable rod 8, the piston plate 22 is driven by the movable plate 24 to transversely move along the inner wall of the cement box 36, so that concrete in the cement box 36 is driven to be stirred, the concrete is prevented from being coagulated, meanwhile, the movable plate 24 is driven by the rotary rod 27 to vertically reciprocate along the inner wall of the chute 23, so that the gear 26 rotates, the stirring blade 28 is driven by the rotary rod 27 to rotate to stir the concrete, the flowability of the concrete is further ensured, and the concrete is normally discharged.
In order to fill depressions on the surface of a concrete layer and further ensure the smoothness of a pavement, the concrete pavement cleaning device further comprises a cleaning component for cleaning the concrete on the surface of the compression roller 6 and enabling the scraped concrete to fill the pavement, the cleaning component comprises a bearing plate 29, the upper end of the bearing plate 29 is fixedly connected with the bottom surface of a limiting sleeve 11, one side of the bearing plate 29, which is close to the compression roller 6, is fixedly connected with a limiting block 30, one side of the limiting block 30, which is close to the compression roller 6, is provided with a limiting groove III 31, the inner wall of the limiting groove III 31 is slidably connected with a scraping plate 32, one side of the scraping plate 32, which is far away from the compression roller 6, and the inner wall of the limiting groove III 31 are fixedly connected with a spring III 33 together, in the vertical movement process of the moving rod 8, the scraping plate 32 is driven by the transmission of the bearing plate 29 and the limiting block 30 to move along the surface of the compression roller 6 to clean the concrete adhered to the surface of the compression roller, and simultaneously clean the fallen concrete fragments falling on the surface of the concrete layer which is not flattened by the compression roller 6, the depression on the surface of the road is filled, and the smoothness of the road surface is further ensured.
In order to increase the wear resistance and the service life of the compression roller 6, further, the surface of the compression roller 6 is fixedly sleeved with the wear-resistant metal sleeve 34, raised patterns are arranged on the surface of the wear-resistant metal sleeve 34, the wear resistance and the service life of the compression roller 6 can be increased by arranging the wear-resistant metal sleeve 34, and the raised patterns are arranged on the surface of the wear-resistant metal sleeve 34, so that the road surface can be embossed, and the road friction force is improved.
Further, the bottom fixed mounting of cement box 36 has row flitch 35, and the inner wall of row flitch 35 sets up to the slope form, and row flitch 35's position is corresponding with jolt plate 16, and row flitch 35 bottom inner wall is the slope setting, has reduced the speed that the concrete discharged, and the casing 1 that the concrete cooperation that makes the discharge removed can evenly pave on the road surface.
S2, during construction, a constructor firstly drives the machine shell 1 of the road paving and leveling device to a road to be paved, enables the compression roller 6 to cross over the road, then guides concrete into the hopper 7, and the concrete enters the cement box 36 through the feeding pipe 3 in the hopper;
s3, after the concrete is filled, a constructor starts the power wheel 2, the power wheel 2 drives the casing 1 to move along the road, and at the moment, the concrete in the cement box 36 falls onto the surface of the discharge plate 35, so that the discharged concrete is matched with the moving casing 1 to be uniformly paved on the road surface; in the step S3, the concrete falls onto the surface of the discharging plate 35 through the discharging filter screen 4, and the discharging plate 35 is obliquely arranged, so that the concrete is uniformly spread on the road surface, and the flatness of the road surface after the concrete layer is solidified is ensured.
S4, simultaneously, the compression roller 6 is utilized to flatten the concrete paved on the road surface, the compression roller 6 rotates under the action of friction force in the flattening process, the movable rod 8 is further driven to move back and forth along the inner wall of the limiting sleeve 11, and meanwhile, the limiting sleeve 11 is driven to reciprocate in the vertical direction along the surface of the limiting rod 10, so that the vibrating plate 16 quickly moves down to tamp and vibrate the uniformly paved concrete;
in the step S4, when the position-limiting sleeve 11 moves down along the surface of the position-limiting rod 10, the pushing block 38 is driven to move down, so that the pushing block abuts against the inclined portion 21 of the moving sheath 19, thereby pushing the moving sheath 19 to press the second spring 20 to slide, so that the pushing block 38 and the position-limiting sleeve 11 move down continuously over the moving sheath 19, and then the position-limiting sleeve 11 moves up along the surface of the position-limiting rod 10 under the driving of the moving rod 8, so that the pushing block 38 abuts against the flat bottom surface of the moving sheath 19, thereby driving the sliding block 13 to press the first spring 14 to move up; when the inclined part 21 of the movable sheath 19 moves to abut against the bottom surface of the abutting block 37, the movable sheath 19 is driven to move upwards continuously along with the pushing block 38, so that the movable sheath 19 extrudes the second spring 20 to slide until being separated from the pushing block 38 under the limit of the inclined bottom surface of the abutting block 37, and then the sliding block 13 and the jolt-squeeze plate 16 are driven to move downwards rapidly under the elastic restoring force of the first spring 14 until the sliding block 13 stops moving continuously when abutting against the fixture block 17, and the jolt-squeeze plate 16 is driven to move downwards rapidly.
S5, repeating the step S4, enabling the vibration pressing plate 16 to repeatedly move downwards to impact vibration, matching with the subsequent pressing roller 6 to level, greatly improving the concrete paving quality, and reducing the occurrence of potholes on the road surface caused by uneven paving;
s6, in the process that the movable rod 8 moves back and forth along the inner wall of the limiting sleeve 11 and vertically moves up and down, the movable plate 24 drives the piston plate 22 to transversely move along the inner wall of the cement box 36, so that concrete in the cement box is driven to be stirred and prevented from solidifying, meanwhile, the movable plate 24 is driven to vertically reciprocate along the inner wall of the chute 23, the gear 26 is driven to rotate, the rotating rod 27 is driven to drive the stirring blade 28 to rotate to stir the concrete, and the fluidity of the concrete is guaranteed so that the concrete can be normally fed; meanwhile, in the vertical moving process of the moving rod 8, under the transmission of the bearing plate 29 and the limiting block 30, the scraper 32 moves along the surface of the compression roller 6, concrete attached to the surface of the compression roller is scraped off, and meanwhile, the scraper falls on the surface of a concrete layer which is not flattened by the compression roller 6, so that pits on the surface of the concrete layer are filled, and the smoothness of the pavement is ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A road construction pavement paving and leveling process is characterized by comprising the following steps:
s1, designing a pavement paving and leveling device;
s2, during construction, a constructor firstly drives a machine shell (1) of the road paving and leveling device to a road to be paved, enables a compression roller (6) to cross over the road, then guides concrete into a hopper (7), and the concrete enters a cement box (36) in the hopper through a feeding pipe (3);
s3, after the concrete is filled, a constructor starts the power wheel (2), the power wheel (2) drives the casing (1) to move along the road, and at the moment, the concrete in the cement box (36) falls to the surface of the discharge plate (35), so that the discharged concrete is matched with the moving casing (1) to be uniformly paved on the road surface;
s4, simultaneously, flattening the concrete paved on the road surface by using the compression roller (6), wherein the compression roller (6) rotates under the action of friction force in the flattening process, so that the movable rod (8) is driven to move back and forth along the inner wall of the limiting sleeve (11), and the limiting sleeve (11) is driven to reciprocate in the vertical direction along the surface of the limiting rod (10), so that the uniformly paved concrete is tamped and vibrated by quickly moving down the vibration pressing plate (16);
s5, repeating the step S4, enabling the vibration pressing plate (16) to repeatedly move downwards to impact and vibrate, and matching with the subsequent pressing roller (6) for leveling, greatly improving the concrete paving quality, and reducing the occurrence of potholes on the road surface caused by uneven paving;
s6, in the process that the movable rod (8) moves back and forth along the inner wall of the limiting sleeve (11) and vertically moves up and down, the movable plate (24) drives the piston plate (22) to transversely move along the inner wall of the cement box (36), so that concrete in the cement box is driven to be stirred and prevented from solidifying, meanwhile, the movable plate (24) is driven to vertically reciprocate along the inner wall of the chute (23), the gear (26) is driven to rotate, the rotating rod (27) is driven to enable the stirring blade (28) to rotate to stir the concrete, and the fluidity of the concrete is guaranteed so that the concrete can be normally fed; meanwhile, in the vertical moving process of the moving rod (8), under the transmission of the bearing plate (29) and the limiting block (30), the scraper (32) moves along the surface of the compression roller (6), the concrete adhered to the surface of the scraper is scraped off, and meanwhile, the scraper falls on the surface of a concrete layer which is not flattened by the compression roller (6), so that pits on the surface of the concrete layer are filled, and the smoothness of the pavement is ensured.
2. The road construction pavement paving and leveling process according to claim 1, characterized in that: in the step S3, the concrete falls onto the surface of the discharging plate (35) through the discharging filter screen (4), and the discharging plate (35) is obliquely arranged, so that the concrete is uniformly spread on the road surface, and the flatness of the road surface after the concrete layer is solidified is ensured.
3. The road construction pavement paving and leveling process according to claim 2, characterized in that: in the step S4, when the position-limiting sleeve (11) moves down along the surface of the position-limiting rod (10), the pushing block (38) is driven to move down, so that the pushing block abuts against the inclined portion (21) of the movable sheath (19), and the movable sheath (19) is pushed to extrude the second spring (20) to slide, so that the pushing block (38) and the position-limiting sleeve (11) move down continuously across the movable sheath (19), and then the position-limiting sleeve (11) moves up along the surface of the position-limiting rod (10) under the driving of the movable rod (8), so that the pushing block (38) abuts against the flat bottom surface of the movable sheath (19), and the sliding block (13) is driven to extrude the first spring (14) to move up; when the inclined part (21) of the movable sheath (19) moves to abut against the bottom surface of the abutting block (37), the movable sheath (19) is continuously driven to continuously move upwards along with the pushing block (38), so that the movable sheath (19) extrudes the second spring (20) to slide until the second spring is separated from the pushing block (38) under the limit of the inclined bottom surface of the abutting block (37), the sliding block (13) and the vibration pressing plate (16) are driven to rapidly move downwards under the elastic restoring force of the first spring (14), and the continuous movement is stopped until the sliding block (13) abuts against the clamping block (17), and the vibration pressing plate (16) is driven to rapidly move downwards.
4. The road construction pavement paving and leveling process according to claim 3, characterized in that: the road surface paving and leveling device comprises a machine shell (1), wherein a power wheel (2) is fixedly installed on the side surface of the machine shell (1), a cement box (36) is fixedly connected to the inner wall of the machine shell (1), and a feeding pipe (3) is fixedly installed at the top of the cement box (36);
ejection of compact filter screen (4) fixed mounting is in the bottom of cement box (36), the inner wall dead axle of casing (1) rotates and is connected with drive shaft (5), the fixed compression roller (6) that has cup jointed of beam hanger of drive shaft (5), still include right the part of vibrating that cement box (36) bottom exhaust concrete vibrates, the upper end fixed mounting of inlet pipe (3) has funnel (7).
5. The road construction pavement paving and leveling process according to claim 4, characterized in that: the vibrating part comprises a moving rod (8) and a stirring part, wherein: the moving rod (8) is hinged to the side face of the press roller (6), and the inner wall of the shell (1) is fixedly connected with an operation panel (9); the inner wall of the operation panel (9) is fixedly connected with a vertically arranged limiting rod (10), the surface of the limiting rod (10) is sleeved with a limiting sleeve (11) in a sliding mode, a through hole is formed in the side face of the limiting sleeve (11), and the limiting sleeve (11) is connected with the shaft arm of the moving rod (8) in a sliding mode through the through hole; a first limiting groove (12) is formed in the surface of the operating panel (9), a sliding block (13) is connected to the inner wall of the first limiting groove (12) in a sliding mode, a first spring (14) is fixedly connected to the upper end of the sliding block (13) and the inner wall of the first limiting groove (12) together, and a connecting rod (15) is fixedly connected to the bottom surface of the sliding block (13); a vibration pressing plate (16) is fixedly connected to the ground of the connecting rod (15), one end, close to the cement box (36), of the vibration pressing plate (16) is arranged to be in a tilted shape, a clamping block (17) is fixedly connected to the inner wall of the first limiting groove (12), a second limiting groove (18) is formed in the side face of the sliding block (13), and a moving sheath (19) is slidably connected to the inner wall of the second limiting groove (18); one side of the movable sheath (19) far away from the limiting rod (10) and one side of the movable sheath (19) close to the limiting rod (10) are fixedly connected with a second spring (20) together, the surface of the operation panel (9) is detachably connected with a butting block (37) through a bolt connecting part, the bottom surface of the butting block (37) is in an inclined shape, one end of the movable sheath (19) close to the limiting rod (10) is provided with an inclined part (21), and the surface of the limiting sleeve (11) is fixedly connected with a pushing block (38);
the stirring component is used for preventing concrete stored in the cement box (36) from solidifying and comprises a piston plate (22), the surface of the piston plate (22) is in sealed sliding connection with the inner wall of the cement box (36), and a sliding groove (23) is formed in one side, close to the operation panel (9), of the piston plate (22); the inner wall sliding connection of spout (23) has movable plate (24), one side that movable plate (24) are close to operating panel (9) with the tip fixed connection of carriage release lever (8), the side fixed mounting of movable plate (24) has tooth row (25), the surface meshing of tooth row (25) has gear (26).
6. The road construction pavement paving and leveling process according to claim 4, characterized in that: the surface of the compression roller (6) is fixedly sleeved with a wear-resistant metal sleeve (34), and raised patterns are arranged on the surface of the wear-resistant metal sleeve (34).
7. The road construction pavement paving and leveling process according to claim 4, characterized in that: the discharging plate (35) is fixed at the bottom end of the cement box (36), and the position of the discharging plate (35) corresponds to the vibration pressing plate (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111444636.1A CN114150555A (en) | 2021-11-30 | 2021-11-30 | Paving and leveling process for road construction pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111444636.1A CN114150555A (en) | 2021-11-30 | 2021-11-30 | Paving and leveling process for road construction pavement |
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| Publication Number | Publication Date |
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| CN114150555A true CN114150555A (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111444636.1A Withdrawn CN114150555A (en) | 2021-11-30 | 2021-11-30 | Paving and leveling process for road construction pavement |
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| CN (1) | CN114150555A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114808724A (en) * | 2022-05-11 | 2022-07-29 | 徐州市公路工程总公司 | Bridge deck pavement construction method of truss paver |
| CN114875747A (en) * | 2022-07-05 | 2022-08-09 | 徐州徐工筑路机械有限公司 | Land leveler for roadbed and road surface construction |
| CN115029995A (en) * | 2022-06-29 | 2022-09-09 | 中国建筑土木建设有限公司 | Road surface leveling equipment for cement road paving |
| CN115094721A (en) * | 2022-06-27 | 2022-09-23 | 安徽佳恩特智造有限公司 | Paver screed plate with high stability and rapid disassembly and assembly |
| CN117144883A (en) * | 2023-10-27 | 2023-12-01 | 正太集团有限公司 | Tamping equipment for building foundation |
| CN118065207A (en) * | 2024-04-17 | 2024-05-24 | 河南宏建建设发展有限公司 | Road construction process and construction equipment for reinforced cement stabilized macadam foundation |
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2021
- 2021-11-30 CN CN202111444636.1A patent/CN114150555A/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114808724A (en) * | 2022-05-11 | 2022-07-29 | 徐州市公路工程总公司 | Bridge deck pavement construction method of truss paver |
| CN114808724B (en) * | 2022-05-11 | 2024-03-22 | 徐州市公路工程总公司 | Bridge deck pavement construction method of truss paver |
| CN115094721A (en) * | 2022-06-27 | 2022-09-23 | 安徽佳恩特智造有限公司 | Paver screed plate with high stability and rapid disassembly and assembly |
| CN115094721B (en) * | 2022-06-27 | 2023-10-20 | 安徽佳恩特智造有限公司 | Paver screed of high stability quick assembly disassembly |
| CN115029995A (en) * | 2022-06-29 | 2022-09-09 | 中国建筑土木建设有限公司 | Road surface leveling equipment for cement road paving |
| CN114875747A (en) * | 2022-07-05 | 2022-08-09 | 徐州徐工筑路机械有限公司 | Land leveler for roadbed and road surface construction |
| CN114875747B (en) * | 2022-07-05 | 2022-09-27 | 徐州徐工筑路机械有限公司 | Land leveler for roadbed and road surface construction |
| CN117144883A (en) * | 2023-10-27 | 2023-12-01 | 正太集团有限公司 | Tamping equipment for building foundation |
| CN117144883B (en) * | 2023-10-27 | 2024-02-13 | 正太集团有限公司 | Tamping equipment for building foundation |
| CN118065207A (en) * | 2024-04-17 | 2024-05-24 | 河南宏建建设发展有限公司 | Road construction process and construction equipment for reinforced cement stabilized macadam foundation |
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