CN112252133A - Integrated pavement paving device and construction method - Google Patents
Integrated pavement paving device and construction method Download PDFInfo
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- CN112252133A CN112252133A CN202011319417.6A CN202011319417A CN112252133A CN 112252133 A CN112252133 A CN 112252133A CN 202011319417 A CN202011319417 A CN 202011319417A CN 112252133 A CN112252133 A CN 112252133A
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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
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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
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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 pavement integrated paving device and a construction method, and belongs to the technical field of pavement paving. The invention provides a pavement integrated paving device which comprises devices respectively used for conveying, spraying and compacting an upper structural layer material and a lower structural layer material. The construction method comprises the steps of paving the upper layer of mixture, paving the lower layer of mixture, compacting by an ironing plate, compacting by a vibrating device, spreading interlayer binding material and spreading surface coating, can realize one-step paving and forming of a double-layer pavement structure, saves interlayer binding material, realizes good interlayer binding, saves the number of times of compaction, and has good economic benefit and application value.
Description
Technical Field
The invention belongs to the technical field of pavement paving, and relates to an integrated pavement paving device and a construction method.
Background
At present, for a pavement structure, whether an asphalt layer or a cement stabilizing layer mixture is usually constructed according to an upper surface layer and a lower surface layer respectively during construction. For the asphalt surface layer, after the mixture of the lower surface layer is paved, the mixture of the upper surface layer is paved after the mixture of the lower surface layer is cleaned firstly and then the adhesive layer asphalt is spread. In order to realize good interlayer combination and improve road performance, the dinipak company provides a double-layer asphalt paver, an ironing plate of the double-layer asphalt paver has a pre-pressing function, and the performance of the paver is verified in the application of Germany and American test sections; the domestic stone yellow expressway also adopts a double-layer asphalt paver to realize high-efficiency paving. However, the popularization of the double-layer asphalt paver of the company danipak in the construction process of the pavement structure has the following problems:
(1) the bunipak double-layer asphalt spreader is expensive, complex to operate and not beneficial to popularization and application;
(2) when the large-thickness cement stabilized macadam is paved in a double-layer mode, the mixture of the lower layer is not compacted due to the large layer thickness;
(3) the application of the heat blocking layer and the heat reflecting coating is gradually popularized, and then how to realize one-step forming in pavement construction does not have a corresponding construction process.
Disclosure of Invention
[ problem ] to
The existing paver has a complex structure, is not beneficial to compacting of mixture of a lower surface layer when double-layer paving is carried out, and cannot realize one-step forming in the construction process for a road surface with a heat blocking layer and a heat reflection coating.
[ solution ]
The invention first provides an integrated paving device, comprising: the lower structural layer hopper and the upper structural layer hopper are arranged side by side and connected with a transmission framework, the lower end of the transmission framework is respectively provided with a lower layer mixture discharge port and an upper layer mixture discharge port, and a crawler belt is arranged below the lower structural layer hopper and the upper structural layer hopper; a first spiral material distributing machine, a first ironing plate, a lower structural layer surface material bin, a second spiral material distributing machine, a second ironing plate and an upper structural layer surface material bin are sequentially arranged behind the lower structural layer hopper and the upper structural layer hopper, a first small vibration compacting device is connected behind the first ironing plate, a second small vibration compacting device is connected behind the second ironing plate, an upper structural layer surface material sprayer is installed below the upper structural layer surface material bin, and a lower structural layer surface material sprayer is installed below the lower structural layer surface material bin; the lower end of the transmission framework is respectively provided with a lower layer mixture discharge hole and an upper layer mixture discharge hole. The second spiral material distributor, the second ironing plate, the second small-sized vibration compaction device, the upper structural layer surface material sprayer and the upper structural layer surface material bin are detachable.
The lower structural layer hopper and the upper structural layer hopper are grooves with certain gradients, one end of each groove is communicated with the transmission framework through the lower structural layer material transmission inlet and the upper structural layer material transmission inlet, and the other end of each groove is used for receiving materials unloaded by the dump truck.
The invention also provides a method for constructing a double-layer pavement by applying the paver, which comprises the following steps:
(1) the method comprises the following steps that two dump trucks simultaneously pour a mixture into a paver, pour a lower layer mixture into a lower structure layer hopper, pour an upper layer mixture into an upper structure layer hopper, and respectively transmit the mixture into a transmission framework through a lower structure layer material transmission inlet and an upper structure layer material transmission inlet;
(2) the lower layer mixture is discharged into a first spiral material distributor through a lower layer mixture discharge port through a lower layer material transmission inlet and is mixed with a first screed plate for paving, the first screed plate is provided with a vibrator, the mixture can reach about 90% of compaction degree, and the mixture is vibrated and compacted by a first small vibration compacting device after being preliminarily molded;
(3) for the pavement with the double-layer asphalt mixture, a surface material sprayer (namely an interlayer material sprayer) of the lower structural layer is opened after the first small-sized vibrating compaction device vibrates and compacts, and is used for spraying the adhesive layer asphalt; for the pavement with the requirement of the thermal barrier layer, after the first small-sized vibration compaction device vibrates and compacts, the surface material sprayer of the lower structural layer sprays the material of the thermal barrier layer;
(4) the upper layer mixture is discharged into a second spiral material distributor through an upper layer mixture discharge port and is mixed with a second screed plate for paving, the screed plate is provided with a vibrator, the mixture can reach about 90% of compaction degree, and the mixture is vibrated and compacted by a second small vibration compacting device after primary forming;
(5) for the pavement required to be provided with the heat reflecting coating, the surface material sprayer of the upper structural layer sprays the heat reflecting coating material after the second small-sized vibration compaction device vibrates and compacts.
The invention also provides a method for carrying out single-layer pavement construction by applying the paver, which comprises the following steps:
(1) the lower layer mixture is poured into a lower structure layer hopper and is transmitted into the transmission framework through a lower structure layer material transmission inlet;
(2) lower surface course mixture mixes first screed through first spiral cloth machine and paves, and first screed is equipped with the vibrator, can make the mixture reach 90% compactness about, carries out the vibration compaction by a small-size vibration compaction device after preliminary shaping.
[ advantageous effects ]
(1) The structure is simple, and the construction of cement-stabilized and asphalt-based surface layer mixtures can be well realized;
(2) when the upper and lower structural layers are paved, the upper and lower structural layers can be respectively vibrated and compacted before being compacted by a road roller, so that the compaction requirement can be easily met;
(3) the asphalt surface layer with the heat blocking layer and the heat reflection coating can be paved and formed at one time.
(4) In the paving device, the hopper can simultaneously receive the upper surface layer material and the lower surface layer material, and is provided with the compacting device, the interlayer binding material spraying device and the surface layer material spraying device, the traditional equipment is integrated to realize the one-time molding of the pavement structure, the one-time paving device can be used for one-time paving molding of the double-layer pavement structure, the adhesive layer material is saved, the good interlayer binding is realized, and the compacting times are saved.
Drawings
Fig. 1 is a structural diagram of a double-deck construction paver.
Fig. 2 is a structural diagram of the paver after single-layer construction disassembly.
In fig. 1 and 2, 1: lower structural layer hopper, 2: go up structural layer hopper, 3: lower structural layer material transfer inlet, 4: upper structure layer material transmission inlet, 5A: first spiral material distributor, 5B: second spiral material distributor, 6A: first screed, 6B: second screed, 7A: first small-sized vibrocompaction device, 7B: second small-sized vibrocompaction device, 8: lower structural layer surface material sprinklers, 9: upper structure layer surface material sprinkler, 10: lower structural layer surface material feed bin, 11: go up structural layer surface material feed bin, 12: transport framework, 13A: the following layer of mixture discharge port, 13B: and a discharge port for the mixture on the upper layer.
Detailed Description
EXAMPLE 1 spreading machine for double-deck construction
As shown in fig. 1, a paver for double-deck construction includes: the lower structural layer hopper 1 and the upper structural layer hopper 2 are arranged side by side, the lower structural layer hopper 1 and the upper structural layer hopper 2 are connected with a transmission framework 12, the lower end of the transmission framework 12 is respectively provided with a lower layer mixture discharge port 13A and an upper layer mixture discharge port 13B, a lower structural layer surface material bin 10 and an upper structural layer surface material bin 11 are also arranged below the transmission framework 12, and a crawler belt is arranged below the lower structural layer hopper 1 and the upper structural layer hopper 2; lower structural layer hopper 1, go up the rear of structural layer hopper 2, be equipped with first spiral cloth machine 5A in proper order, first screed 6A, lower structural layer surface material feed bin 10, second spiral cloth machine 5B, second screed 6B, go up structural layer surface material feed bin 11, it has first small-size vibration compaction device 7A to link at first screed 6A rear, it has second small-size vibration compaction device 7B to link at second screed 6B rear, upper structural layer surface material feed bin 11 below is installed upper structural layer surface material sprinkler 9, lower structural layer surface material feed bin 10 below is installed lower structural layer surface material sprinkler 8.
The lower structural layer hopper 1 and the upper structural layer hopper 2 are grooves with certain gradients, one end of each groove is communicated with the transmission framework 12 through the lower structural layer material transmission inlet 3 and the upper structural layer material transmission inlet 4, and the other end of each groove is used for receiving materials unloaded by the dump truck.
EXAMPLE 2 spreading machine for Single-layer construction
As shown in fig. 2, the paver for single-story construction eliminates the upper structure layer surface material bunker 11, the upper structure layer surface material sprayer 9, the second auger machine 5B, the second screed 6B, and the second small-sized vibratory compaction apparatus 7B, as compared with the paver for double-story construction.
EXAMPLE 3 double-layer pavement construction method
(1) The mixture is poured into the paver by two dump trucks simultaneously, the lower layer mixture is poured into the lower structural layer hopper 1, the upper layer mixture is poured into the upper structural layer hopper 2, and the mixture is respectively transmitted into the transmission framework 12 through the lower structural layer material transmission inlet 3 and the upper structural layer material transmission inlet 4.
(2) The lower layer mixture is conveyed to a conveying framework 12 through a lower structure layer material conveying inlet 3, enters a first spiral material distributor 5A from a lower layer mixture discharging port 13A, is mixed with a first ironing plate 6A for paving, and the ironing plate is provided with a vibrator to enable the mixture to reach about 90% of compaction degree. After the preliminary molding, the first small-sized vibrating compacting device 7A is used for vibrating and compacting, aggregates are tightly arranged under the excitation force, and the compactness is further improved and can reach 92-93 percent.
(3) For a two-layer asphalt mixture pavement, the lower structure layer surface material sprayers 8 (i.e., the interlaminar material sprayers) are opened after the first small vibratory compaction device 7A is vibrated and compacted for spraying the binder asphalt. For pavements with thermal barrier requirements, the interlaminar material sprayer sprays the thermal barrier material after vibratory compaction by the first small vibratory compaction device 7A.
(4) The upper layer mixture enters a second spiral material distributor 5B from an upper layer mixture discharge port 13B through an upper structure layer material transmission inlet 4, is mixed with a second screed 6B for paving, and the screed is provided with a vibrator to enable the mixture to reach about 90% of compaction degree. After the preliminary molding, the second small-sized vibrating compacting device 7B carries out vibrating compaction, aggregates are tightly arranged under the excitation force, the compaction degree is further improved, and the expected compaction degree can reach 92-93%.
(5) For a road surface required to be provided with a heat reflective coating, the upper structure layer surface material sprayer 9 sprays the heat reflective coating material after the second small-sized vibrocompacting device 7B is vibrocompacted.
EXAMPLE 4 Single-layer pavement construction method
When the single-layer structure layer is constructed, the second spiral distributing machine 5B, the second ironing plate 6B, the second small-sized vibration compaction device 7B, the upper structure layer surface material sprayer 9 and the upper structure layer surface material bin 11 are detachable. The construction step is the same as the step (2) in the construction of the double-layer pavement.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (5)
1. Integration paving device, its characterized in that includes: the lower structural layer hopper and the upper structural layer hopper are arranged side by side and connected with a transmission framework, the lower end of the transmission framework is respectively provided with a lower layer mixture discharge port and an upper layer mixture discharge port, and a crawler belt is arranged below the lower structural layer hopper and the upper structural layer hopper; a first spiral material distributing machine, a first ironing plate, a lower structural layer surface material bin, a second spiral material distributing machine, a second ironing plate and an upper structural layer surface material bin are sequentially arranged behind the lower structural layer hopper and the upper structural layer hopper, a first small vibration compacting device is connected behind the first ironing plate, a second small vibration compacting device is connected behind the second ironing plate, an upper structural layer surface material sprayer is installed below the upper structural layer surface material bin, and a lower structural layer surface material sprayer is installed below the lower structural layer surface material bin;
the second spiral material distributor, the second ironing plate, the second small-sized vibration compaction device, the upper structural layer surface material sprayer and the upper structural layer surface material bin are detachable.
2. The integrated paving apparatus of claim 1, wherein the lower structural layer hopper and the upper structural layer hopper are sloped troughs having one end communicating with the transport frame through the lower structural layer material transport inlet and the upper structural layer material transport inlet, respectively, and the other end for receiving material unloaded from the dump truck.
3. The method for constructing the double-layer pavement by using the integrated paving device of claim 1, which is characterized by comprising the following steps of:
(1) pouring the lower layer mixture into a lower structure layer hopper, pouring the upper layer mixture into an upper structure layer hopper, and respectively transmitting the upper layer mixture into a transmission framework through a lower structure layer material transmission inlet and an upper structure layer material transmission inlet;
(2) the lower surface layer mixture is discharged into a first spiral material distributor through a lower surface layer material conveying inlet and is mixed with a first screed plate for paving, the first screed plate is provided with a vibrator to preliminarily compact the mixture, and the mixture is subjected to vibratory compaction by a first small vibratory compaction device after preliminary forming;
(3) for the pavement with the double-layer asphalt mixture, the surface material sprayer of the lower structural layer is opened after the first small-sized vibration compaction device vibrates and compacts, and is used for spraying the adhesive layer asphalt; for the pavement with the requirement of the thermal barrier layer, after the first small-sized vibration compaction device vibrates and compacts, the surface material sprayer of the lower structural layer sprays the material of the thermal barrier layer;
(4) the upper layer mixture is discharged into a second spiral material distributor through an upper layer mixture discharge port and is mixed with a second screed plate for paving, the second screed plate is provided with a vibrator to preliminarily compact the mixture, and the mixture is subjected to vibratory compaction by a second small vibratory compaction device after preliminary forming;
(5) for the pavement required to be provided with the heat reflecting coating, the surface material sprayer of the upper structural layer sprays the heat reflecting coating material after the second small-sized vibration compaction device vibrates and compacts.
4. The method for single-layer pavement construction by using the integrated paving device of claim 1, which is characterized by comprising the following steps of:
(1) the lower layer mixture is poured into a lower structure layer hopper and is transmitted into a transmission framework through a lower structure layer material transmission inlet;
(2) the lower surface layer mixture is mixed with a first screed plate through a first spiral material distributor and spread, and is subjected to vibratory compaction through a first small vibratory compaction device after preliminary forming.
5. Single-deck paver characterized in that includes: the lower structural layer hopper and the upper structural layer hopper are arranged side by side, the lower structural layer hopper is connected with the transmission framework, a lower layer mixture discharge port is arranged below the transmission framework, and a crawler belt is arranged below the lower structural layer hopper; the rear of lower structural layer hopper, upper structural layer hopper are equipped with first spiral material machine, first screed, lower structural layer surface material feed bin in proper order, and first screed rear even has a small-size vibration compaction device, installs lower structural layer surface material sprinkler below lower structural layer surface material feed bin.
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| CN202011319417.6A CN112252133A (en) | 2020-11-23 | 2020-11-23 | Integrated pavement paving device and construction method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011319417.6A CN112252133A (en) | 2020-11-23 | 2020-11-23 | Integrated pavement paving device and construction method |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2697036A1 (en) * | 1992-10-16 | 1994-04-22 | Applic Derives Asphalte | Road construction finisher for simultaneous double paving - comprises two hoppers conveyors tables spreaders blades vibrators compactor to lay two different surfacing mixes simultaneously |
| CN201037226Y (en) * | 2007-04-24 | 2008-03-19 | 北京路桥中咨科技有限公司 | Synchronization distributing and spreading machine |
| CN201082953Y (en) * | 2007-07-27 | 2008-07-09 | 长沙中联重工科技发展股份有限公司 | Double-layer lying device for in-place heat regeneration remixer |
| CN101649599A (en) * | 2009-09-01 | 2010-02-17 | 句容市宁武化工有限公司 | Paver special for epoxy asphalt |
| CN203247486U (en) * | 2013-05-08 | 2013-10-23 | 黑龙江省龙建路桥第三工程有限公司 | Asphalt concrete spreading machine |
| CN204112195U (en) * | 2014-09-11 | 2015-01-21 | 交通运输部公路科学研究所 | The double-deck paving system in rigid pavement |
| CN105178144A (en) * | 2015-10-08 | 2015-12-23 | 江苏奥新科技有限公司 | Double-layer spreading and paving integrated machine realizing hot in-place recycling and working process of double-layer spreading and paving integrated machine |
| CN109385946A (en) * | 2017-08-11 | 2019-02-26 | 吉林省嘉鹏集团有限公司 | Sheet pavement in-situ heat regeneration bilayer Paving Techniques |
| CN109610278A (en) * | 2019-01-29 | 2019-04-12 | 长安大学 | A kind of asphalt high compact paves forming method |
-
2020
- 2020-11-23 CN CN202011319417.6A patent/CN112252133A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2697036A1 (en) * | 1992-10-16 | 1994-04-22 | Applic Derives Asphalte | Road construction finisher for simultaneous double paving - comprises two hoppers conveyors tables spreaders blades vibrators compactor to lay two different surfacing mixes simultaneously |
| CN201037226Y (en) * | 2007-04-24 | 2008-03-19 | 北京路桥中咨科技有限公司 | Synchronization distributing and spreading machine |
| CN201082953Y (en) * | 2007-07-27 | 2008-07-09 | 长沙中联重工科技发展股份有限公司 | Double-layer lying device for in-place heat regeneration remixer |
| CN101649599A (en) * | 2009-09-01 | 2010-02-17 | 句容市宁武化工有限公司 | Paver special for epoxy asphalt |
| CN203247486U (en) * | 2013-05-08 | 2013-10-23 | 黑龙江省龙建路桥第三工程有限公司 | Asphalt concrete spreading machine |
| CN204112195U (en) * | 2014-09-11 | 2015-01-21 | 交通运输部公路科学研究所 | The double-deck paving system in rigid pavement |
| CN105178144A (en) * | 2015-10-08 | 2015-12-23 | 江苏奥新科技有限公司 | Double-layer spreading and paving integrated machine realizing hot in-place recycling and working process of double-layer spreading and paving integrated machine |
| CN109385946A (en) * | 2017-08-11 | 2019-02-26 | 吉林省嘉鹏集团有限公司 | Sheet pavement in-situ heat regeneration bilayer Paving Techniques |
| CN109610278A (en) * | 2019-01-29 | 2019-04-12 | 长安大学 | A kind of asphalt high compact paves forming method |
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Application publication date: 20210122 |