CN115641771B - A paving forming simulation device - Google Patents
A paving forming simulation device Download PDFInfo
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- CN115641771B CN115641771B CN202211231132.6A CN202211231132A CN115641771B CN 115641771 B CN115641771 B CN 115641771B CN 202211231132 A CN202211231132 A CN 202211231132A CN 115641771 B CN115641771 B CN 115641771B
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- 238000004088 simulation Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 58
- 239000004744 fabric Substances 0.000 claims abstract description 36
- 238000003892 spreading Methods 0.000 claims abstract description 23
- 230000007480 spreading Effects 0.000 claims abstract description 23
- 238000000465 moulding Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 24
- 230000007246 mechanism Effects 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 claims 1
- 239000010426 asphalt Substances 0.000 abstract description 28
- 239000000203 mixture Substances 0.000 abstract description 25
- 238000012360 testing method Methods 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005056 compaction Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000010276 construction Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 238000011077 uniformity evaluation Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011384 asphalt concrete Substances 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/04—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of buildings
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Road Paving Machines (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
本发明属于道路工程领域，具体涉及一种摊铺成型模拟装置，包括：机座，所述机座上设有安装部以及放置于所述安装部上的成型模具；摊铺器，所述摊铺器滑动安装于所述机座上，所述摊铺器设有用于承载物料的内腔以及与所述内腔连通的布料缝，所述布料缝位于所述成型模具的上方，适于在所述摊铺器滑动时向所述成型模具内摊铺布料；振动器，所述振动器与所述摊铺器连接，适于摊铺压实所述成型模具中的物料。通过该摊铺成型模拟装置制作得到的试件均匀性好，可以客观判断沥青混合料的摊铺效果。
The present invention belongs to the field of road engineering, and specifically relates to a paving and forming simulation device, comprising: a machine base, the machine base is provided with a mounting portion and a forming mold placed on the mounting portion; a spreader, the spreader is slidably mounted on the machine base, the spreader is provided with an inner cavity for carrying materials and a cloth seam connected to the inner cavity, the cloth seam is located above the forming mold, and is suitable for spreading cloth into the forming mold when the spreader slides; a vibrator, the vibrator is connected to the spreader, and is suitable for spreading and compacting the material in the forming mold. The test piece made by the paving and forming simulation device has good uniformity, and the paving effect of the asphalt mixture can be objectively judged.
Description
Technical Field
The invention belongs to the field of road engineering, and particularly relates to a paving molding simulation device.
Background
Asphalt concrete is a structural form widely used in the field of road engineering, and is widely applied to highway engineering, municipal road engineering and airport flight areas.
Asphalt concrete generally consists of hot-mix asphalt mixture, and asphalt mixture is mixed, transported, paved and rolled to form an asphalt structure, and the uniformity of the asphalt mixture has very obvious influence on the quality of the asphalt concrete structure.
At present, in the design stage of the mix proportion of a laboratory before large-area asphalt pavement construction, a standard and standard asphalt structure evaluation method and means are lacked, and a skilled technician generally judges the uniformity of a future structure through the section of an indoor formed test piece. The method for forming the indoor test piece has poor evaluation effect due to the large difference between the method for forming the indoor test piece and the method for forming the indoor test piece on site, or the uniformity of the formed structure is judged through a test section, but the economical efficiency and the timeliness are poor. That is, a forming device which is similar to a construction site and is used for forming an asphalt structure by using asphalt mixture is lacked, so that paving and forming of the asphalt mixture on the construction site are simulated.
Therefore, in order to overcome the above disadvantages, the present invention is highly required to provide a paving molding simulation device for asphalt mixture.
Disclosure of Invention
The invention aims to provide a paving molding simulation device which is used for simulating a construction site asphalt mixture to form an asphalt structure so as to judge the uniformity of the asphalt structure.
In order to achieve the above object, the present invention provides the following solutions:
A paving modeling apparatus comprising:
The machine seat is provided with an installation part and a forming die arranged on the installation part;
the spreader is slidably arranged on the machine base, the spreader is provided with an inner cavity for bearing materials and a cloth seam communicated with the inner cavity, and the cloth seam is positioned above the forming die and is suitable for spreading cloth into the forming die when the spreader slides;
And the vibrator is connected with the spreader and is suitable for spreading and compacting materials in the forming die.
In the above-described spreading and molding simulation device, it is further preferable that the molding die includes a first tray, the mounting portion includes a first spreading platform, and a limit portion that is matched with the stop of the molding die outer Zhou Shi is further provided on the peripheral edge of the first spreading platform.
In the above paving modeling apparatus, it is further preferable that the plurality of first trays each have a different height specification, and the mounting portion further includes a first lifting mechanism that is connected to the first paving platform in a mating manner.
In the above-described spreading simulation apparatus, it is further preferable that the first trays are rectangular trays, and the number of the first trays for each height specification is 3, and that the 3 first trays are sequentially arranged in the sliding direction.
In the above spreading and forming simulation device, it is further preferable that the first spreading platform is provided with a through groove at the inner edge of the limiting part, the mounting part further comprises a second spreading platform which is positioned below the first spreading platform and corresponds to the through groove, and the forming die further comprises a second tray with a through hole at the bottom surface and a cylinder with an inner diameter larger than the size of the through hole.
In the paving modeling apparatus, it is further preferable that the plurality of cylindrical drums each have a different height specification, and the mounting portion further includes a second lifting mechanism that is connected to the second paving platform in a mating manner.
In the paving modeling apparatus as described above, it is further preferable that the vibrator includes a vibrating portion connected to the spreader and a compacting plate positioned below the vibrating portion and connected to an output end of the vibrating portion, and is adapted to vibrate the compacted material.
The paving molding method is realized by the paving molding simulation device with the utilization weight as described above and comprises the following steps:
Preparing materials;
placing the molding die in the mounting portion;
the spreader is slidably arranged on the base, and the prepared materials are distributed into the inner cavity of the spreader;
Sliding the spreader, and when a material distribution seam of the spreader runs to the upper part of the groove, starting to fall into the forming die from the material distribution seam along with the sliding of the spreader and performing spreading forming;
and starting the vibrator to perform vibration compaction on the paved material.
In the paving molding method as described above, it is further preferable that the placing the molding die in the mounting portion includes:
The first tray is arranged on the first paving platform and limited by the limiting part, and the height of the first paving platform is adjusted by the first hydraulic assembly, so that the upper edge of the first tray is flush with the bottom surface of the paving machine.
In the paving molding method as described above, it is further preferable that the placing the molding die in the mounting portion includes:
The second tray is arranged on the first paving platform and limited by the limiting part, and the height of the first paving platform is adjusted through the first hydraulic assembly, so that the upper edge of the second tray is flush with the bottom surface of the paving machine;
Placing the cylindrical drum on the second paving platform and enabling the cylindrical drum to be positioned right below the through holes in the second tray; and the height of the second paving platform is adjusted through the second hydraulic assembly, so that the upper edge of the cylindrical barrel is abutted with the first paving platform.
The invention has the following beneficial effects:
the device simulates the actual construction site asphalt mixture paving and forming process, the paving device is used for paving and distributing materials into the grooves, and the vibrator is used for paving and compacting materials in the grooves, so that the manufactured asphalt structure test piece is good in uniformity, and the paving effect of the mixture can be intuitively judged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view showing a partial structure of a paving modeling apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a paving modeling apparatus according to another embodiment of the present invention;
FIG. 3 is a schematic perspective view of the first view of FIG. 2;
FIG. 4 is a schematic perspective view of the second view of FIG. 2;
FIG. 5 is a schematic view of the embodiment of FIG. 2 in a first use state;
FIG. 6 is a schematic diagram illustrating a second usage state of the embodiment of FIG. 2;
FIG. 7 is a schematic diagram illustrating a second usage state of the embodiment of FIG. 2;
Fig. 8 is a schematic view of a partial structure of the spreader of the embodiment of fig. 1.
Reference numerals illustrate:
1-stand, 2-spreader, 3-vibrator, 4-first tray, 5-cloth hopper, 6-rack, 7-gear, 8-compaction flat, 9-first slide platform, 10-second slide platform, 11-first spreading platform, 12-first elevating mechanism, 13-second spreading platform, 14-second elevating mechanism, 15-end stop bar, 16-side stop bar, 17-supporting disc, 18-cylinder barrel, 19-second tray.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the terms in the present invention will be understood in detail by those skilled in the art.
As shown in fig. 1, a paving modeling apparatus according to an embodiment of the present invention includes:
the machine comprises a machine base 1, wherein the machine base 1 is provided with an installation part and a forming die arranged on the installation part;
The spreader 2 is slidably arranged on the machine base 1, the spreader 2 is provided with an inner cavity for bearing materials and a cloth seam communicated with the inner cavity, and the cloth seam is positioned above the forming die and is suitable for spreading cloth into the forming die when the spreader 2 slides;
And the vibrator 3 is connected with the spreader 2 and is suitable for spreading and compacting materials in the forming die.
The machine base 1 is a bearing structure and is used for bearing the installation part, the forming die, the spreader and the vibrator. Specifically, the spreader is slidably mounted on the stand and is used for uniformly distributing materials in the inner cavity downwards into the forming die through a distribution slot at the bottom of the spreader in the sliding process. The width of the forming die is larger than that of the cloth seam, the forming die is arranged on the mounting portion and is right positioned below the spreader and suitable for receiving the materials which are distributed in. The vibrator is connected to the rear of the spreader, slides along with the spreader, and spreads and compacts the material after the spreader distributes the material into the forming mold.
The device simulates the actual construction site asphalt mixture paving and forming process, utilizes the spreader 2 to spread materials into a forming die, and spreads and compacts materials in the forming die through the vibrator 3, so that the manufactured asphalt structure test piece has good uniformity, and the paving effect of the mixture can be intuitively judged.
In one specific embodiment of the invention, the forming die comprises a first tray, the mounting part comprises a first paving platform, and a limit part matched with the outer part Zhou Shi of the forming die is further arranged on the periphery of the first paving platform.
Specifically, as shown in fig. 1, the first paving platform is a rectangular platform fixed with the base and arranged along the sliding direction of the paving machine, and along the sliding direction, the end of the first paving platform is recessed downwards to form a groove for accommodating the first tray, and the side wall of the groove is used as a limiting part to limit the first tray. The bottom surface of the spreader is arranged on the first spreading platform, the material distributing seam is plugged through the first spreading platform, once the spreader slides to the groove, namely slides to the upper part of the first tray, the material distributing seam is opened and materials are distributed into the first tray, and then the material distributing seam is compacted through the vibration of the vibrator. The first tray is suitable for avoiding the simulation pollution of the base caused by asphalt mixture paving and molding, and further the recycling of the device is realized.
At this time, the height of the first tray 4 is smaller than the height of the groove, preferably smaller than the height of the paving-molded material. The height of the first tray 4 is smaller than that of the groove, so that the spreader 2 can be prevented from being blocked by the side wall of the first tray 4 when sliding to the forming die to spread the cloth to the first tray 4.
In one specific embodiment of the invention, the first trays are multiple, each of the first trays has different height specifications, and the mounting part further comprises a first lifting mechanism which is matched and connected with the first paving platform.
Specifically, in this embodiment, the first paving platform is connected to the first lifting mechanism, and is driven by the first lifting mechanism to lift up and down in the machine base. Each first tray is identical in size except for the height. The first paving platform is a lifting structure and is suitable for placing first trays with different heights, so that pavements with different thicknesses are simulated. The limiting part comprises an end stop bar 15 and a side stop bar 16, the end stop bar 15 is suitable for stopping at two ends of the first tray 4, the side stop bar 16 is suitable for stopping at the side edge of the first tray 4, and the heights of the end stop bar 15 and the side stop bar 16 are smaller than the height of the first tray, so that the limiting part is prevented from influencing downward vibration of the vibrator.
The first paving platform 11 can be lifted up and down by adjusting the height of the first lifting mechanism 12, so that the first trays 4 with different heights can be placed.
In one specific embodiment of the present invention, the first trays are rectangular trays, and the number of the first trays of each height specification is 3, and the 3 first trays are sequentially arranged along the sliding direction. Specifically, the 3 first trays 4 are sequentially laid out along the sliding direction. Specifically, the three first trays are basically the same as the mounting portion in size after being spliced in sequence, wherein the first tray is suitable for receiving unqualified head materials, the third first tray is suitable for receiving unqualified tail materials, and the second first tray is suitable for manufacturing asphalt structure test pieces.
In the above embodiment, the rut test specimen is molded by the first tray.
In one specific embodiment of the invention, the first paving platform is provided with a through groove at the inner edge of the limiting part, the mounting part further comprises a second paving platform which is positioned below the first paving platform and corresponds to the through groove in position, and the forming die further comprises a second tray with a through hole at the bottom surface and a cylindrical barrel with the inner diameter larger than the size of the through hole.
This embodiment is suitable for molding marshall test pieces. Specifically, be equipped with on the second platform that paves with the circular draw-in groove of cylinder section of thick bamboo adaptation, the lower extreme of cylinder section of thick bamboo is fixed in circular draw-in groove, and the upper end matches with the through-hole position of second tray, is suitable for making the material of cloth income second tray flow into in the cylinder section of thick bamboo through the through-hole to form cylindrical marshall test piece.
In one specific embodiment of the invention, the plurality of cylindrical drums are provided, each cylindrical drum has different height specifications, and the mounting part further comprises a second lifting mechanism which is matched and connected with the second paving platform. The second lifting mechanism is used for adjusting the height of the second paving platform so as to be suitable for installing cylinder barrels with different height specifications.
It is further preferable that not only a plurality of cylindrical barrels with different height specifications, but also a plurality of cylindrical barrels with different diameter specifications are provided to manufacture test pieces with different dimensions.
In one embodiment of the invention, the vibrator comprises a vibrating portion and a compacting plate, wherein the vibrating portion is connected with the spreader, and the compacting plate is positioned below the vibrating portion and connected with the output end of the vibrating portion and is suitable for vibrating compacted materials. Specifically, the vibration portion comprises a driving motor and an eccentric wheel, the driving motor is elastically arranged in the vertical direction, the eccentric wheel is arranged on an output shaft of the driving motor and is suitable for rotating on a vertical plane to drive the driving motor to vibrate up and down. When the eccentric wheel rotates, the rotating shaft and the center of the eccentric wheel are not in the same straight line, so that centrifugal force is generated, and the driving motor is in elastic connection in the vertical direction, so that the eccentric wheel can move up and down, and further the driving motor and the eccentric wheel are driven by the centrifugal force to reciprocate up and down, so that vibration is realized to pave and compact materials in the grooves.
In one specific embodiment of the invention, the paver is provided with a travelling wheel and a driving motor connected with the travelling wheel, the stand is provided with a travelling rail, and the travelling wheel is driven by the driving motor to travel on the travelling rail. Preferably, the paver walks on the walking track under the drive of the driving motor, the speed of the advancing process is controllable, and materials paved in the first tray or the second tray are uniformly distributed.
In one specific embodiment of the invention, the walking track is a rack arranged on two sides of the paving chassis, the walking wheel is a pair of gears arranged on two sides of the paver, and the gears are meshed with the rack. The travelling rail can also be a tooth slot which is arranged on the machine base and is parallel to the travelling direction of the spreader, and at the moment, the travelling wheel is arranged on the bottom surface of the spreader and meshed with the tooth slot. Of course, other driving methods are also possible.
In one embodiment of the present invention, the paving modeling apparatus further includes a cloth hopper 5, wherein the cloth hopper 5 is slidably mounted at the upper end of the spreader 2 and is in communication with the interior cavity of the spreader 2, and is adapted to uniformly feed into the interior cavity of the spreader 2. Preferably, the cloth hopper 5 comprises a cuboid structure and a funnel structure which are connected, wherein two sides of the cuboid structure are respectively extended with a flat plate, the two flat plates are respectively overlapped on a pair of long edges of the upper edge of the spreader 2 and are suitable for driving the cloth hopper to slide at the upper end of the spreader 2 through the extended flat plates, and a valve is arranged below the funnel structure and is suitable for controlling discharging through the valve. The cloth hopper 5 is used for receiving external materials and sliding on the spreader 2 to enable the materials to uniformly fall into the inner cavity of the spreader 2, so that the materials are uniformly distributed in the spreader 2. The outside of the spreader 2 and the cloth hopper 5 is also provided with a heat preservation layer which is suitable for preserving heat of the spreader 2 and the cloth hopper 5 so as to avoid solidification caused by too fast temperature reduction of materials.
In one embodiment of the present invention, the paving modeling apparatus further includes a cloth hopper 5, wherein the cloth hopper 5 is slidably mounted at the upper end of the spreader 2 and is in communication with the interior cavity of the spreader 2, and is adapted to uniformly feed into the interior cavity of the spreader 2. Preferably, the cloth hopper 5 comprises a cuboid structure and a funnel structure which are connected, wherein two sides of the cuboid structure are respectively extended with a flat plate, the two flat plates are respectively overlapped on a pair of long edges of the upper edge of the spreader 2 and are suitable for driving the cloth hopper to slide at the upper end of the spreader 2 through the extended flat plates, and a valve is arranged below the funnel structure and is suitable for controlling discharging through the valve. The cloth hopper 5 is used for receiving external materials and sliding on the spreader 2 to enable the materials to uniformly fall into the inner cavity of the spreader 2, so that the materials are uniformly distributed in the spreader 2. The outside of the spreader 2 and the cloth hopper 5 is also provided with a heat preservation layer which is suitable for preserving heat of the spreader 2 and the cloth hopper 5 so as to avoid solidification caused by too fast temperature reduction of materials.
In one embodiment of the invention, the device further comprises a sliding structure, wherein the sliding structure comprises a sliding block arranged on the paver and a sliding rail arranged on the paving chassis, and the sliding block slides on the sliding rail. Preferably, the spreader 2 slides on the sliding rail through the sliding block, the sliding process speed is controllable, and the materials spread into the tray 4 are uniformly distributed.
In one embodiment of the invention, the sliding rail is a rack 6 arranged on two sides of the paving chassis, the sliding block comprises a pair of gears 7 arranged on two sides of the paver 2 and a driving motor connected with the gears 7, and the gears 7 are meshed with the rack 6.
The sliding rail can also be a tooth slot which is arranged on the working platform and is parallel to the travelling direction of the spreader 2, and at the moment, the gear 7 is arranged on the bottom surface of the spreader and meshed with the tooth slot. Of course, other driving methods are also possible.
In one embodiment of the present invention, a paving molding method is provided, which is implemented by using the paving molding simulation device as described above, and includes the following steps:
Preparing materials;
placing the forming die on a mounting part;
the spreader 2 is slidably arranged on the machine base 1, and the prepared materials are distributed into the inner cavity of the spreader 2;
Sliding the spreader 2, and when a cloth seam of the spreader 2 advances to the position above the installation part, the material in the inner cavity of the spreader 2 starts to fall into a forming die from the cloth seam along with the sliding of the spreader 2 and is spread and formed;
The vibrator 3 is turned on to vibro-compactly compress the paving profiled material.
As shown in fig. 1, in one embodiment of the present invention, the asphalt mixture paving molding method includes the steps of:
preparing materials, namely determining the consumption of asphalt mixture according to the size of a rut board test piece to be processed and the designed compaction thickness, and mixing;
placing the molding die in the mounting portion;
debugging, namely debugging a spreading molding simulation device to ensure that each structure is in a normal state;
Charging, namely adding the mixed mixture in batches into a cloth hopper 5, opening a valve, pushing the cloth hopper 5 to repeatedly move on the spreader 2, and uniformly distributing the mixture into an inner cavity of the spreader 2;
The paving vibration, namely starting the spreader 2, driving the spreader 2 to walk on the rack 6 by the gear 7 according to a set speed, starting the vibrator 3 according to set parameters (frequency and amplitude), starting the vibrator 3 to vibrate when all the vibrator enters the second first tray 4 or the second tray, stopping vibrating when the vibrator moves to the junction of the two trays, finishing paving compaction, recycling the rest materials, taking out a rut board test piece after paving compaction, and continuing to process according to the requirement to finish uniformity evaluation. In one embodiment of the invention, three first trays 4 are placed in the mounting part in sequence along the sliding direction of the vibrator 3, and the vibrator 3 starts vibrating when moving to the second first tray 4 along with the spreader 2, and stops vibrating when sliding out of the second tray 4. The test piece manufactured by the second first tray 4 of the vibrator 3 through vibration compaction is a required asphalt structural plate test piece, and uniformity evaluation is completed on the test piece.
In one embodiment of the present invention, placing the molding die in the mounting portion includes:
the first pallet 4 is placed on the first paving platform 11 and limited by the limiting part, and the height of the first paving platform 11 is adjusted by the first lifting mechanism 12 so that the upper edge of the first pallet 4 is flush with the bottom surface of the spreader 2.
As shown in fig. 7, in one embodiment of the present invention, placing a molding die in a mounting portion includes:
Placing the second tray 19 on the first paving platform 11 and limiting the first paving platform by a limiting part, and adjusting the height of the first paving platform 11 by the first lifting mechanism 12 so that the upper edge of the second tray 19 is level with the bottom surface of the spreader 2;
The cylinder 18 is placed on the second paving platform 13 and is positioned right below the through holes in the second tray 19, and the height of the second paving platform 13 is adjusted by the second lifting mechanism 14 so that the upper edge of the cylinder 18 abuts against the first paving platform 11.
As shown in fig. 7, in one embodiment of the present invention, the asphalt mixture paving molding method includes the steps of:
Preparing materials, namely determining the consumption of asphalt mixture according to the size of a Marshall test specimen to be processed and the designed compaction thickness, and mixing;
debugging, namely debugging a spreading molding simulation device to ensure that each structure is in a normal state;
Charging, namely adding the mixed mixture in batches into a cloth hopper 5, opening a valve, pushing the cloth hopper 5 to repeatedly move on the spreader 2, and uniformly distributing the mixture into an inner cavity of the spreader 2;
The paving vibration, namely starting the spreader 2, driving the spreader 2 to walk on the rack 6 by the gear 7 according to a set speed, starting the vibrator 3 according to set parameters (frequency and amplitude), starting the vibrator 3 to vibrate when all the vibrator 3 enters the first through hole in the second tray 19, stopping vibrating when the vibrator goes out of the last through hole in the second tray 19, finishing paving compaction, recycling the rest of the materials, taking out a rut board test piece after paving compaction, and continuing to process according to the requirement to finish uniformity evaluation.
The invention has the following beneficial effects:
the device simulates the actual construction site asphalt mixture paving and forming process, the paving device is used for paving and distributing materials into the grooves, and the vibrator is used for paving and compacting materials in the grooves, so that the manufactured asphalt structure test piece is good in uniformity, and the paving effect of the mixture can be intuitively judged.
The paving and forming method is simple and convenient to operate, controllable in cost, convenient to finish uniformity evaluation of the asphalt structure test piece in the daily construction process, and suitable for popularization and application.
It should be noted that the above embodiments are merely for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the technical solution described in the above embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the present invention.
Claims (7)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211231132.6A CN115641771B (en) | 2022-10-09 | 2022-10-09 | A paving forming simulation device |
| PCT/CN2023/113536 WO2024078130A1 (en) | 2022-10-09 | 2023-08-17 | Paving forming simulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211231132.6A CN115641771B (en) | 2022-10-09 | 2022-10-09 | A paving forming simulation device |
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| Publication Number | Publication Date |
|---|---|
| CN115641771A CN115641771A (en) | 2023-01-24 |
| CN115641771B true CN115641771B (en) | 2025-01-24 |
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|---|---|---|---|
| CN202211231132.6A Active CN115641771B (en) | 2022-10-09 | 2022-10-09 | A paving forming simulation device |
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| CN (1) | CN115641771B (en) |
| WO (1) | WO2024078130A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115641771B (en) * | 2022-10-09 | 2025-01-24 | 中交一公局集团有限公司 | A paving forming simulation device |
| CN117309592A (en) * | 2023-09-27 | 2023-12-29 | 中交一公局集团有限公司 | Automatic asphalt mixture paving and charging device and method |
| CN119145416B (en) * | 2024-11-21 | 2025-04-11 | 中交第一航务工程局有限公司 | A large-span paving and leveling integrated machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823657A (en) * | 2019-11-19 | 2020-02-21 | 长沙理工大学 | Molding device for DMA (direct memory Access) asphalt mortar test piece and using method |
| CN114481761A (en) * | 2022-02-22 | 2022-05-13 | 北京华鼎众星建筑工程有限公司 | Municipal works bituminous paving paver |
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| JPH0710528B2 (en) * | 1991-02-09 | 1995-02-08 | 太陽セメント工業株式会社 | Molding equipment for paving blocks |
| CN203295942U (en) * | 2013-06-09 | 2013-11-20 | 长安大学 | Measurer for texture depth of pavement |
| CN205889475U (en) * | 2016-08-04 | 2017-01-18 | 季恒坤 | Concrete plastic mold prefabricated section manufacturing system |
| CN209779417U (en) * | 2018-12-26 | 2019-12-13 | 浙江全华实业有限公司 | Spreading machine |
| CN210233437U (en) * | 2019-05-10 | 2020-04-03 | 张波 | Intelligent material distributor for precast concrete parts |
| CN113059670A (en) * | 2020-03-09 | 2021-07-02 | 崔成群 | Distributor, strickle, row ware and system that concrete component is prefabricated |
| KR102125186B1 (en) * | 2020-03-30 | 2020-06-19 | 김종길 | Apparatus for forming precast concrete |
| CN213412456U (en) * | 2020-08-20 | 2021-06-11 | 广西中交建设发展有限公司 | Double-channel production line for PC (polycarbonate) components |
| CN113715146A (en) * | 2021-09-07 | 2021-11-30 | 安徽晶宫绿建集团有限公司 | Forming device for producing facing wallboard and production method thereof |
| CN216338905U (en) * | 2021-11-05 | 2022-04-19 | 中国建筑土木建设有限公司 | A auxiliary device that is used for bituminous paving around rainwater well lid to pave |
| CN115641771B (en) * | 2022-10-09 | 2025-01-24 | 中交一公局集团有限公司 | A paving forming simulation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823657A (en) * | 2019-11-19 | 2020-02-21 | 长沙理工大学 | Molding device for DMA (direct memory Access) asphalt mortar test piece and using method |
| CN114481761A (en) * | 2022-02-22 | 2022-05-13 | 北京华鼎众星建筑工程有限公司 | Municipal works bituminous paving paver |
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| CN115641771A (en) | 2023-01-24 |
| WO2024078130A1 (en) | 2024-04-18 |
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