CN116289424B - Mud-bonded pebble paving equipment with uniform paving thickness and construction process - Google Patents
Mud-bonded pebble paving equipment with uniform paving thickness and construction process Download PDFInfo
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- CN116289424B CN116289424B CN202310279228.8A CN202310279228A CN116289424B CN 116289424 B CN116289424 B CN 116289424B CN 202310279228 A CN202310279228 A CN 202310279228A CN 116289424 B CN116289424 B CN 116289424B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 230000008569 process Effects 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 94
- 239000004575 stone Substances 0.000 claims description 44
- 230000001105 regulatory effect Effects 0.000 claims description 29
- 238000012544 monitoring process Methods 0.000 claims description 18
- 238000012806 monitoring device Methods 0.000 claims description 15
- 230000007480 spreading Effects 0.000 claims description 13
- 230000001276 controlling effect Effects 0.000 claims description 10
- 238000009966 trimming Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003756 stirring Methods 0.000 description 7
- 238000005056 compaction Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 238000007790 scraping Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- E01C19/4866—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 solely non-vibratory or non-percussive pressing or smoothing means for consolidating or finishing
-
- 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
- E01C19/12—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 distributing granular or liquid materials
- E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
- E01C19/201—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels
- E01C19/202—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders with driven loosening, discharging or spreading parts, e.g. power-driven, drive derived from road-wheels solely rotating, e.g. discharging and spreading drums
-
- 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
- E01C19/12—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 distributing granular or liquid materials
- E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
- E01C2019/2055—Details not otherwise provided for
- E01C2019/2065—Sensing the quantity of the material actually being distributed
-
- 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
- E01C19/12—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 distributing granular or liquid materials
- E01C19/20—Apparatus for distributing, e.g. spreading, granular or pulverulent materials, e.g. sand, gravel, salt, dry binders
- E01C2019/2055—Details not otherwise provided for
- E01C2019/207—Feeding the distribution means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses mud-bonded pebble paving equipment with uniform paving thickness and a construction process, which comprise a paving bracket, wherein a spiral distributor is arranged at the advancing end of the paving bracket, an upper limit roller, a middle limit roller and a paving roller set are sequentially arranged at the rear side of the spiral distributor, a material turning plate is not arranged outside the middle limit roller, and a material conveying leveling system arranged on the paving bracket is arranged at the rear side of the material turning plate.
Description
Technical Field
The invention relates to the technical field of paving, in particular to mud-bonded pebble paving equipment with uniform paving thickness and a construction process.
Background
The mud cobble is generally only applied to the underlayment of roads with low traffic or the underlayment of heavy traffic roads, and has few application at present. In most practical road designs, no matter how small the road traffic is, there is a general trend towards using a more technically mature semi-rigid underlayment, rather than a mud-bonded pebble underlayment. It is not uncommon to use it as a major structural layer (underlayment) of a highway.
The mud-bonded pebble subbase layer structure has larger breakthrough in solving inherent defects (reflection cracks, poor water seepage capability and small axial load sensitivity coefficient) of the semi-rigid subbase layer. And for some areas with wide land and thin land and generally smaller traffic, the mud-bonded pebble subbase layer is generally used as a highway of the subbase layer due to lower construction cost. However, from the current practical situation, all roads adopting the mud cobble subbase layer generally adopt a land leveller construction method, so that the construction efficiency is greatly reduced, the occupancy rate of equipment is obviously increased, and the controllability of construction period is greatly reduced.
Therefore, a person skilled in the art provides a mud-bonded pebble paving apparatus and a construction process for paving a pebble with a uniform thickness, so as to solve the problems set forth in the background art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a mud knot pebble paver of thickness that paves, its includes the bracket that paves, the bracket that paves advancing end department installs spiral distributing device, spiral distributing device rear side is equipped with upper limit roller, well limit roller, paving roller group in proper order, just well limit roller outside is equipped with the stirring board, stirring board rear side is equipped with the transmission material system of trimming of installing on the bracket that paves.
As a preferable technical scheme of the invention, the lower end of the upper limiting roller is arranged towards the upper end of the spiral distributor, the lower end of the middle limiting roller is arranged towards the axial center plane of the spreading roller set, and the lower end of the material turning plate is arranged near the bottom surface of the mud-bonded pebble.
As a preferable technical scheme of the invention, two groups of material turning plates on the same vertical section are arranged and are arranged in a central symmetry way to form a material turning plate group, and the adjacent material turning plate groups are arranged in a staggered way.
As a preferred technical solution of the present invention, the material conveying and leveling system includes:
The front end of the front conveying belt is positioned between the spreading roller group and the middle limiting roller and is arranged close to the center plane of the middle limiting roller and one side of the material turning plate;
the first support side plate is fixed on the side surface of the paving bracket, and a first slide way and a telescopic push rod are respectively arranged at the rear end and the front end of the first support side plate;
The flattening device comprises a support side plate II which is connected onto the slide way I in a sliding manner and is regulated and moved by the telescopic push rod, a support side plate IV is fixed at the front end of the support side plate II, a second material conveying belt which is positioned below the front material conveying belt surface is installed on the support side plate IV, the slide way II is arranged at the rear end of the support side plate II, the support side plate III is connected onto the slide way II in a sliding manner, two groups of flattening rollers which are arranged at intervals are rotatably installed on the inner side of the support side plate III near the front end face, a movement regulating and controlling device II for regulating and controlling the movement of the support side plate III is installed at the upper end of the support side plate II, and a plane monitoring device is installed on the inner side of the support side plate III near the rear end face.
As a preferred embodiment of the present invention, the plane monitoring device includes:
The support cross rod is fixed on the support side plate III and is provided with two groups in parallel;
The plane monitoring rollers are equidistantly arranged on the supporting cross rod, and the two groups of plane monitoring rollers on the supporting cross rod are arranged in a front-back staggered complementary mode.
As a preferred embodiment of the present invention, the planar monitoring roller includes:
the sleeve seat is provided with two groups and is matched with the sleeve to be installed on the supporting cross rod, the lower end of the sleeve seat is fixedly provided with a vertical elastic expansion device, the lower end of the elastic expansion device is fixedly provided with a U-shaped seat, the U-shaped seat is rotatably provided with a rotating sleeve, the rotating sleeve is rotatably provided with a short rotating shaft, the outer side of the short rotating shaft is also provided with an axial protruding strip, and the short rotating shaft is fixedly sleeved with a circular ring close to the outer surface of the inner side;
The two ends of the monitoring roller are respectively embedded with a short cylinder which is in sliding sleeve embedding with the short rotating shaft, and the inner wall of the short cylinder is provided with a chute which is in sliding connection with the convex strips;
and the connecting spring is used for elastically connecting the short cylinder with the circular ring.
As a preferable technical scheme of the invention, a first movable regulating device which is arranged in parallel front and back is arranged above the first material conveying belt and is fixedly arranged on the paving bracket, a material conveying scraping plate with two sides arranged in parallel is arranged on the first movable regulating device, and one material conveying scraping plate is independently regulated and controlled by one movable regulating device.
As a preferable technical scheme of the invention, a trapezoid surrounding frame is arranged between the two groups of leveling rollers, two ends of the trapezoid surrounding frame are fixed on a supporting side plate III, a movable regulating device III is arranged above the trapezoid surrounding frame, at least two groups of stop plates which are independently movable and regulated are arranged on the movable regulating device III, and the stop plate side edge plates and the trapezoid surrounding frame are in fit sliding.
As a preferable technical scheme of the invention, the lower end of the striker plate side edge plate is also fixed with an arc-shaped scraping plate which is attached to the arc surface of the leveling roller and slides.
The mud-bonded pebble paving construction process with uniform paving thickness comprises the following steps:
Step one: the paving bracket is assembled on a traction driving moving device, the main material conveying belt conveys materials into a spiral distributing device, along with the forward movement of the traction driving moving device, the accumulation height of the mud-bonded egg stone bodies is monitored and limited by an upper limit roller, a material turning plate is driven by the rotation of a middle limit roller to continuously turn over and exchange the mud-bonded egg stone bodies at the bottom layer and the top layer, and the turned-down mud-bonded egg stone bodies are flattened by a paving roller group;
step two: the plane monitoring device in the leveling device monitors the paving thickness of the mud-bonded egg stone bodies paved by the paving roller set in real time and judges whether the paving mud-bonded egg stone bodies are uniform in thickness or not;
Step three: if the thickness is uneven, the rotating speed of the middle limiting roller is increased, so that a part of the mud and egg stone bodies are thrown to the first material conveying belt and are transferred to the second material conveying belt, and the mud and egg stone bodies are flattened by the flattening roller.
Compared with the prior art, the invention provides mud-bonded pebble paving equipment with uniform paving thickness and a construction process, and has the following beneficial effects:
1. In the process of piling up the mud-bonded egg stones, which are paved by the spiral distributor to the rear, the upper limit roller limits and monitors the piling height of the mud-bonded egg stones, and the travelling speed of the paving bracket is adjusted in time, so that the mud-bonded egg stones can be evenly spread and piled up, the piling height of the mud-bonded egg stones is stable, and the mud-bonded egg stones and the bonded stones in the mud-bonded egg stones at the nearby area in front are paved and compacted by the paving roller group to be stirred up and down in a short time when the mud-bonded egg stones are compacted, so that the pebbles and the bonded stones are evenly distributed, and the cloth diffusion density of the mud-bonded egg stones is uniform.
2. In the invention, after the mud-bonded pebble material is paved and compacted along with the paving roller group, the surface of a paving layer is monitored in real time by the plane monitoring device, and when the plane monitoring device monitors that the surface is abnormal, the plane monitoring device is started to operate: the rotation speed of the middle limiting roller is increased, so that the turning plate turns and throws a part of mud-bonded pebble material into the first material conveying belt, the mud-bonded pebble material is conveyed into the second material conveying belt by the first material conveying belt, and the redundant material on the first material conveying belt is returned and flows into one side of the turning plate again, thereby realizing the purposes of not only needing to be used, avoiding inconvenience caused by pre-storing and repairing the material, but also improving the repairing precision; in addition, in the process that the second material conveying belt receives the mud-bonded egg stone bodies conveyed by the first material conveying belt, the second movable regulating device regulates and controls and completes the flattening roller to push the conveyed mud-bonded egg stone bodies to the abnormal area for compaction and flattening, so that the paving bracket still continues to advance continuously, and the paving efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a mud-bonded pebble paving apparatus of the present invention;
FIG. 2 is a schematic view of a partial construction of a paving bracket according to the present invention;
FIG. 3 is a schematic view of a partial construction of a troweling apparatus according to the present invention;
FIG. 4 is an enlarged schematic view of a partial structure of the troweling apparatus of the present invention;
FIG. 5 is an enlarged schematic view of the structure at A of the present invention;
FIG. 6 is a schematic cross-sectional view of a mud-bonded pebble paving apparatus of the invention;
In the figure: 1. a paving bracket; 2. a spiral distributor; 3. an upper limit roller; 4. a middle limiting roller; 5. a material conveying and leveling system; 6. a leveling device; 7. a planar monitoring device; 8. a spreading roller set; 11. supporting a first side plate; 12. a first slideway; 13. a telescopic push rod; 41. a turning plate; 51. a first material conveying belt; 52. a second movable regulating device; 53. a material conveying scraper; 52. a first movable regulating device; 53. pushing the baffle; 61. a second supporting side plate; 62. a second slideway; 63. a second movable regulating device; 64. a third supporting side plate; 65. a trapezoid surrounding frame; 66. moving a regulating device III; 67. a striker plate; 68. an arc-shaped scraping plate; 69. a supporting side plate IV; 610. a second material conveying belt; 611. a leveling roller; 71. a support rail; 72. a planar monitoring roller; 721. a sleeve seat; 722. an elastic expansion device; 723. a U-shaped seat; 724. a rotating sleeve; 725. a short rotating shaft; 7251. a convex strip; 726. a short cylinder; 7261. a chute; 727. a connecting spring; 728. the roller is monitored.
Detailed Description
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a mud knot pebble paver of thickness that paves, its includes paves bracket 1, the screw distributor 2 is installed to bracket 1 advancing end department that paves, screw distributor 2 rear side is equipped with upper limit roller 3, well limit roller 4, paving roller group 8 in proper order, just well limit roller 4 outside is equipped with the stirring board 41, stirring board 41 rear side is equipped with the transmission material system of trimming 5 of installing on bracket 1 that paves.
In this embodiment, the lower end of the upper limiting roller 3 is disposed towards the upper end of the spiral distributor 2, the lower end of the middle limiting roller 4 is disposed towards the axial plane of the spreading roller set 8, and the lower end of the material turning plate 41 is disposed near the bottom surface of the mud cobble; the two groups of the material turning plates 41 on the same vertical section are arranged and are arranged in a central symmetry manner to form material turning plate groups, and the adjacent material turning plate groups are arranged in a staggered manner; continuously stirring the mud-bonded pebble material in the bottom layer and the top layer area through the stirring plate, so that pebble binding and piling in the mud-bonded pebble material are avoided; it should be explained that, due to the factor that the surface of the pebble is smoother, the adhesiveness between the pebbles and the binder in the prepared mud-bonded pebble body is reduced, and when the mud-bonded pebble body is paved by the spiral distributor, the binder tends to sink and distribute easily, so that the pebbles tend to distribute upwards, and the observation of the longitudinal section structure of the uncompacted paving layer is longitudinally split: partial pebbles are not fully and uniformly sunk, partial pebbles are unevenly sunk and distributed, the distribution density of pebbles and binders is uneven, and the longitudinal section structure of the compacted paving layer is observed: the pebbles with smooth surfaces are further staggered and irregularly slide-embedded, and the uneven compactness of the spreading layer is easily caused again, so that the subsequent or repeated compaction of the spreading layer is performed again, the area with lower compactness in the spreading layer is in a concave condition, at the moment, the concave area needs to be repaired, but the secondary repair is easy to cause the reduction of the combination of the repair material body and the initial material body, and the support strength of the repair material body is further influenced; in the structure, specifically, in the process of piling up the mud-bonded egg stones of the material spreading rearward by the spiral distributor, the upper limit roller limits and monitors the piling height of the mud-bonded egg stones, and timely cooperates with the adjustment of the travelling speed of the spreading bracket, so that the mud-bonded egg stones can be evenly spread and piled up, the piling height of the mud-bonded egg stones is stable, and the mud-bonded egg stones are stirred up and down through the stirring plate, so that the mud-bonded egg stones are stirred up and down in the mud-bonded egg stones at the position close to the compacting front by the spreading roller group in a short time when the mud-bonded egg stones are compacted, so that the pebbles and the binder are evenly distributed, and the cloth spreading density of the mud-bonded egg stones is uniform.
In this embodiment, the material conveying and leveling system 5 includes:
The first material conveying belt 51 comprises a front material conveying belt surface and a rear material conveying belt surface, and the front end of the front material conveying belt is positioned between the spreading roller group 8 and the middle limiting roller 4 and is arranged close to the center plane of the middle limiting roller and one side of the material turning plate;
The first supporting side plate 11 is fixed on the side surface of the paving bracket 1, and the rear end and the front end of the first supporting side plate are respectively provided with a first slideway 12 and a telescopic push rod 13;
The flattening device 6 comprises a second supporting side plate 61 which is connected to the first slideway 12 in a sliding manner and regulated and controlled to move by the telescopic push rod 13, a fourth supporting side plate 69 is fixed at the front end of the second supporting side plate 61, a second conveying belt 610 positioned below the front conveying belt surface is installed on the fourth supporting side plate 69, a second slideway 62 is arranged at the rear end of the second supporting side plate 61, a third supporting side plate 64 is connected to the second slideway 62 in a sliding manner, two groups of flattening rollers 611 which are arranged at intervals are rotatably installed near the front end face on the inner side of the third supporting side plate 64, a second movable regulating and controlling device 63 for regulating and controlling the movement of the third supporting side plate 64 is installed at the upper end of the second supporting side plate 61, and a plane monitoring device 7 is installed near the rear end face on the inner side of the third supporting side plate 64;
Specifically, after the mud-bonded pebble material is paved and compacted along with the paving roller group, the surface of a paving layer is monitored in real time by a plane monitoring device, and when the plane monitoring device monitors that the surface is abnormal, the plane monitoring device is started to operate: the rotation speed of the middle limiting roller is increased, so that a part of the mud-bonded pebble material body is turned and thrown into the first material conveying belt by the material turning plate, the mud-bonded pebble material body is conveyed into the second material conveying belt by the first material conveying belt, in addition, in the structure, the weight sensing module for monitoring the weight change of the second material conveying belt is further arranged in the paving bracket, the body quantity of the mud-bonded pebble material body received by the second material conveying belt is controllable, and the redundant material body on the first material conveying belt is returned to one side of the material turning plate again, so that the required use is realized, inconvenience brought by pre-storing of the repaired material body is avoided, and the repairing precision is improved; in addition, in the process that the second material conveying belt receives the mud-bonded egg stone bodies conveyed by the first material conveying belt, the repairing device starts repairing the mud-bonded egg stone bodies, the moving amount which advances when the repairing device finishes the repairing is the time T, the telescopic push rod 13 can push the supporting side plate II 61 to move backwards integrally to complement the mud-bonded egg stone bodies, in the process of repairing the required time T, the moving regulating device II can regulate and control and finish the repairing roller to push, flow, compact and smooth the conveyed mud-bonded egg stone bodies to an abnormal area, so that the paving bracket still continues to advance continuously, and the paving efficiency is improved.
In this embodiment, the plane monitoring device 7 includes: a support cross bar 71 fixed to the support side plate III 64 and arranged in parallel in two groups; the plane monitoring rollers 72 are equidistantly arranged on the supporting cross bars 71, and the plane monitoring rollers 72 on the two groups of the supporting cross bars 71 are arranged in a front-back staggered and complementary mode; the method is beneficial to improving the accuracy of monitoring and repairing the surface condition of the paving layer.
In this embodiment, the plane monitoring roller 72 includes: the sleeve seat 721 is provided with two groups and is matched with a penetrating sleeve to be installed on the supporting cross rod 71, the lower end of the sleeve seat 721 is fixedly provided with a vertical elastic telescopic device 722, the lower end of the elastic telescopic device 722 is fixedly provided with a U-shaped seat 723, the U-shaped seat 723 is rotatably provided with a rotating sleeve 724, the rotating sleeve 724 is rotatably provided with a short rotating shaft 725, the outer side of the short rotating shaft 725 is also provided with an axial raised line 7251, and the short rotating shaft 725 is fixedly sleeved with a circular ring near the inner side outer surface; a short cylinder 726 for sliding sleeve embedding with the short rotating shaft 725 is embedded at two ends of the monitoring roller 728, and a sliding groove 7261 which is in sliding connection with the convex strip is arranged on the inner wall of the short cylinder 726; a connecting spring 727 for elastic connection between the short cylinder 726 and the ring; the elastic expansion strength of the elastic expansion device is of an adjustable structure, so that the expansion strength of the elastic expansion device needs to be adjusted before the planar monitoring roller monitors the paving layer, so that the pressure transmitted to the paving layer by the monitoring roller is adjusted to be consistent with the compaction pressure of the paving roller group, and after the paving roller group paves and compacts the mud cobble material, even if the surface of the paving layer is of a planar structure, the compaction degree of the paving layer is possibly distributed unevenly, and the situation that the sinking condition occurs in the follow-up repeated compaction of the paving layer is caused, in the structure, the area with lower compaction degree can be detected and obtained under the same pressure action of a plurality of planar monitoring rollers, so that the area is repaired in time; in addition, the stretching strength of the elastic stretching device can be adjusted to a required value according to the region of the compactness of the paving layer to be improved.
In this embodiment, a first movable adjusting and controlling device 52 disposed in parallel is disposed above the first material conveying belt 51 and is fixedly mounted on the paving bracket 1, a material conveying scraper 53 disposed in parallel on two sides is mounted on the first movable adjusting and controlling device 52, and one material conveying scraper 53 is independently adjusted and controlled by one movable adjusting and controlling device 52, so that the position of a material body conveyed into the second material conveying belt can be adjusted.
In this embodiment, a trapezoid surrounding frame 65 is disposed between the two groups of leveling rollers 611, two ends of the trapezoid surrounding frame 65 are fixed on the third supporting side plate 64, a third moving adjusting and controlling device 66 is installed above the trapezoid surrounding frame 65, at least two groups of stop plates 67 which are independently moved and controlled are installed on the third moving adjusting and controlling device 66, and the side edge plates of the stop plates 67 are attached to the trapezoid surrounding frame 65 to slide, so that the local repairing precision of the paving layer is improved.
In this embodiment, the lower end of the side edge plate of the material baffle 67 is further fixed with an arc scraper 68 that slides in a manner of being attached to the arc surface of the leveling roller 611, which is beneficial to maintaining the surface cleanliness of the leveling roller.
In specific implementation, the method comprises the following steps:
Step one: the paving bracket 1 is assembled on a traction driving moving device, materials are conveyed into a spiral distributing device 2 through a main conveying belt, along with the progress of forward movement of the traction driving moving device, the accumulation height of the mud-bonded egg stone bodies is monitored and limited by an upper limit roller 3, a middle limit roller 4 rotates to drive a turning plate to continuously turn and exchange the mud-bonded egg stone bodies at the bottom layer and the top layer, and a paving roller group 8 flattens the mud-bonded egg stone bodies which descend after turning;
Step two: the plane monitoring device 7 in the leveling device 6 monitors the paving thickness of the mud-bonded egg stone bodies paved by the paving roller set in real time and judges whether the paving mud-bonded egg stone bodies are uniform in thickness or not;
Step three: if the thickness is not uniform, the rotation speed of the middle limiting roller 4 is increased, so that a part of the mud and egg stone is thrown to the first material conveying belt 51 and transferred to the second material conveying belt 610, and flattened by the flattening roller 611.
The above description is only of the preferred embodiments of the invention, but the protection scope of the invention is not limited thereto, and any person skilled in the art who is skilled in the art to which the invention pertains should make equivalent substitutions or modifications according to the technical solution of the invention and its inventive concept within the scope of the invention.
Claims (9)
1. The mud-bonded pebble paving equipment with uniform paving thickness comprises a paving bracket (1), wherein a spiral distributor (2) is arranged at the advancing end of the paving bracket (1), and the mud-bonded pebble paving equipment is characterized in that an upper limit roller (3), a middle limit roller (4) and a paving roller set (8) are sequentially arranged on the rear side of the spiral distributor (2), a turning plate (41) is arranged outside the middle limit roller (4), and a material conveying and leveling system (5) arranged on the paving bracket (1) is arranged on the rear side of the turning plate (41);
The material conveying and leveling system (5) comprises:
the first material conveying belt (51) comprises a front material conveying belt surface and a rear material conveying belt surface, wherein the front end of the front material conveying belt is positioned between the spreading roller group (8) and the middle limiting roller (4) and is arranged close to the center plane of the middle limiting roller and one side of the material turning plate;
the first support side plate (11) is fixed on the side surface of the paving bracket (1), and the rear end and the front end of the first support side plate are respectively provided with a first slide way (12) and a telescopic push rod (13);
The trimming device (6) comprises a second supporting side plate (61) which is connected onto the first slideway (12) in a sliding manner and is regulated and controlled to move by a telescopic push rod (13), a fourth supporting side plate (69) is fixed at the front end of the second supporting side plate (61), a second material conveying belt (610) positioned below the front material conveying belt surface is arranged on the fourth supporting side plate (69), a second slideway (62) is arranged at the rear end of the second supporting side plate (61), a third supporting side plate (64) is connected onto the second slideway (62) in a sliding manner, two groups of trimming rollers (611) which are arranged at intervals are rotatably arranged near the front end face on the inner side of the third supporting side plate (64), a second moving regulating device (63) for regulating and controlling the movement of the third supporting side plate (64) is arranged at the upper end of the second supporting side plate (61), and a plane monitoring device (7) is arranged near the rear end face on the inner side of the third supporting side plate (64).
2. The mud-bonded pebble paving apparatus of claim 1 wherein the lower end of the upper limiting roller (3) is arranged toward the upper end of the spiral distributor (2), the lower end of the middle limiting roller (4) is arranged toward the axial center plane of the paving roller group (8), and the lower end of the turning plate (41) is arranged near the bottom surface of the mud-bonded pebbles.
3. A mud-bonded pebble paving apparatus of uniform paving thickness according to claim 2, wherein two sets of turning plates (41) on the same vertical section are arranged and arranged centrally symmetrically to form a turning plate set, and adjacent turning plate sets are arranged in a staggered manner.
4. A mud-bonded pebble paving apparatus of uniform paving thickness as claimed in claim 2, wherein the plane monitoring means (7) comprises:
A support cross bar (71) fixed on the support side plate III (64) and provided with two groups in parallel;
The plane monitoring rollers (72) are equidistantly arranged on the supporting cross bars (71), and the front and back misplacement complementation of the plane monitoring rollers (72) on the two groups of the supporting cross bars (71) is realized.
5. A mud-bonded pebble paving apparatus of uniform paving thickness of claim 4, wherein said planar monitor roller (72) comprises:
The sleeve seat (721) is provided with two groups and is matched with a penetrating sleeve to be installed on the supporting cross rod (71), a vertical elastic telescopic device (722) is fixed at the lower end of the sleeve seat (721), a U-shaped seat (723) is fixed at the lower end of the elastic telescopic device (722), a rotating sleeve (724) is rotatably installed on the U-shaped seat (723), a short rotating shaft (725) is rotatably installed on the rotating sleeve (724), an axial raised line (7251) is further arranged on the outer side of the short rotating shaft (725), and a circular ring is fixedly sleeved on the outer surface of the short rotating shaft (725) close to the inner side;
A short cylinder (726) for being sleeved with the short rotating shaft (725) in a sliding mode is embedded at two ends of the monitoring roller (728), and a sliding groove (7261) which is connected with the convex strip in a sliding mode is formed in the inner wall of the short cylinder (726);
And the connecting spring (727) is used for elastically connecting the short cylinder (726) and the circular ring.
6. A mud-bonded pebble paving apparatus of claim 1, wherein a first movable regulating device (52) disposed in parallel front and rear is disposed above the first material conveying belt (51) and fixedly mounted on the paving bracket (1), a material conveying scraper (53) disposed in parallel on both sides is mounted on the first movable regulating device (52), and one material conveying scraper (53) is independently regulated by one movable regulating device (52).
7. The mud-bonded pebble paving apparatus with uniform paving thickness according to claim 1, wherein a trapezoid surrounding frame (65) is arranged between two groups of the flattening rollers (611), two ends of the trapezoid surrounding frame are fixed on a supporting side plate III (64), a movable regulating device III (66) is arranged above the trapezoid surrounding frame (65), at least two groups of baffle plates (67) which are independently movable and regulated are arranged on the movable regulating device III (66), and side edge plates of the baffle plates (67) are attached to the trapezoid surrounding frame (65) to slide.
8. The mud-bonded pebble paving apparatus with uniform paving thickness according to claim 7, wherein an arc-shaped scraper (68) which is attached to and slides on the arc surface of the flattening roller (611) is further fixed at the lower end of the side edge plate of the dam (67).
9. A construction process of a mud-bonded pebble paving apparatus of uniform paving thickness according to any one of claims 2 to 5, comprising the steps of:
Step one: the paving bracket (1) is assembled on a traction driving moving device, materials are conveyed into a spiral distributing device (2) through a main conveying belt, along with the forward movement of the traction driving moving device, mud-bonded egg stone bodies are monitored by an upper limit roller (3) and the stacking height of the mud-bonded egg stone bodies is limited, a middle limit roller (4) rotates to drive a material turning plate to continuously turn and exchange mud-bonded egg stone bodies at the bottom layer and the top layer, and a paving roller set (8) flattens the mud-bonded egg stone bodies which descend after turning;
Step two: the plane monitoring device (7) in the leveling device (6) monitors the paving thickness of the mud-bonded pebble body paved by the paving roller set in real time and judges whether the paving thickness of the mud-bonded pebble body is uniform;
Step three: if the thickness is uneven, the rotation speed of the middle limiting roller (4) is increased, so that a part of the mud and egg stone body is thrown to the first material conveying belt (51) and is transferred to the second material conveying belt (610), and the mud and egg stone body is flattened by the flattening roller (611).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310279228.8A CN116289424B (en) | 2023-03-22 | 2023-03-22 | Mud-bonded pebble paving equipment with uniform paving thickness and construction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310279228.8A CN116289424B (en) | 2023-03-22 | 2023-03-22 | Mud-bonded pebble paving equipment with uniform paving thickness and construction process |
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| CN116289424A CN116289424A (en) | 2023-06-23 |
| CN116289424B true CN116289424B (en) | 2024-06-21 |
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| CN202310279228.8A Active CN116289424B (en) | 2023-03-22 | 2023-03-22 | Mud-bonded pebble paving equipment with uniform paving thickness and construction process |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208995878U (en) * | 2018-08-31 | 2019-06-18 | 福建佳园生态建设有限公司 | A kind of garden layout cobble laying device |
| CN110670434A (en) * | 2019-10-18 | 2020-01-10 | 王莉华 | Land leveler for paving stable soil of highway base and paving method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11152709A (en) * | 1997-11-21 | 1999-06-08 | Fukuda Road Construction | Spraying device of finisher |
| FI122903B (en) * | 2010-04-14 | 2012-08-31 | Ept Kone Ja Laite Oy | Road-building pulp applicator |
| CN211772641U (en) * | 2019-12-11 | 2020-10-27 | 北京住总第六开发建设有限公司 | Concrete paving device for building engineering |
| US11255057B2 (en) * | 2020-03-07 | 2022-02-22 | Brian Gallagher | Screed assembly for road paving machines, and a method for repaving road surfaces |
| CN216919901U (en) * | 2022-03-29 | 2022-07-08 | 北京永合立信科技有限公司 | Concrete paving equipment |
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2023
- 2023-03-22 CN CN202310279228.8A patent/CN116289424B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208995878U (en) * | 2018-08-31 | 2019-06-18 | 福建佳园生态建设有限公司 | A kind of garden layout cobble laying device |
| CN110670434A (en) * | 2019-10-18 | 2020-01-10 | 王莉华 | Land leveler for paving stable soil of highway base and paving method thereof |
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| CN116289424A (en) | 2023-06-23 |
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