CN204551209U - Based on the pavement maintenance truck of foamed asphalt - Google Patents
Based on the pavement maintenance truck of foamed asphalt Download PDFInfo
- Publication number
- CN204551209U CN204551209U CN201420870371.0U CN201420870371U CN204551209U CN 204551209 U CN204551209 U CN 204551209U CN 201420870371 U CN201420870371 U CN 201420870371U CN 204551209 U CN204551209 U CN 204551209U
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- CN
- China
- Prior art keywords
- asphalt
- foaming
- heated bitumen
- foamed
- cylinder rod
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Abstract
The utility model provides a kind of pavement maintenance truck based on foamed asphalt, comprises agitator tank, multiple heated bitumen sprinkling system; Described heated bitumen sprinkling system comprises heated bitumen spray chamber, foamed cell, control unit, heating unit; Described heated bitumen spray chamber is communicated with asphalt delivery system; Foamed cell comprises asphalt foaming room, heated bitumen sprays control cylinder, asphalt nozzle, foamed asphalt spray and control oil cylinder, foamed asphalt outlet, foaming water transfer pipeline, foaming letter shoot road; Foaming water transfer pipeline is arranged on the foaming (operating) water nozzle in foaming water one-way valve exit; Foaming letter shoot road is arranged on the foaming gas jets at foaming gas one-way valved outlet place; Multiple heated bitumen sprinkling system is arranged in agitator tank in three dimensions.The utility model adopts foamed asphalt as the asphalt material mixed with reworked material, effectively can overcome the shortcoming of above-mentioned heated bitumen and mulseal.
Description
Technical field
The utility model belongs to ground surface material regeneration field, relates to a kind of pavement maintenance truck based on foamed asphalt.
Background technology
Asphalt pavement maintanance truck, has been mainly used to regular grade highway and the operation of high grade highway pavement pit repairing.This equipment can be heated to 140 ~ 160 DEG C to cold conditions bulk asphalt compound material block and be incubated, asphalt spraying device with heating function can spray heated bitumen or mulseal to improve adhesion strength to hole trench bottom, and vibratory roller carries out abundant compacting to the road surface after repairing.
But heated bitumen or mulseal in use respectively exist following shortcoming: heated bitumen, because of its addition little (3 ~ 5%), the overall little viscosity of volume of adding is large, and the mixing time is very short, so be difficult to and rubble uniform mixing; Mulseal, the emulsifier wherein comprised can the character original to pitch have a negative impact, and needs special equipment for production of emulsified bitumen to prepare, and cost is higher.
Utility model content
The utility model object is to provide a kind of pavement maintenance truck based on foamed asphalt, solves heated bitumen or mulseal and mixes the bad technical problem of the effect of existence.
Technical solution of the present utility model is:
Based on a pavement maintenance truck for foamed asphalt, its special character is: comprise agitator tank, multiple heated bitumen sprinkling system; Described heated bitumen sprinkling system comprises heated bitumen spray chamber, foamed cell, control unit, heating unit; Described heated bitumen spray chamber is communicated with asphalt delivery system; Described foamed cell comprises asphalt foaming room, heated bitumen sprays control cylinder, asphalt nozzle, foamed asphalt spray and control oil cylinder, foamed asphalt outlet, foaming water transfer pipeline, foaming letter shoot road; Described foaming water transfer pipeline comprise water tank, water pump, foaming water one-way valve, be arranged on foaming water one-way valve exit foaming (operating) water nozzle; Described foaming letter shoot road comprises air pressure pump, pressure-regulating valve, exports the foaming gas one way valve be connected, the foaming gas jets being arranged on the gas one-way valved outlet place that foams with pressure-regulating valve; Described foaming gas jets and foaming (operating) water nozzle are opened on asphalt foaming indoor respectively; Described heated bitumen sprays control cylinder and comprises air pressure control chamber, cylinder rod, cylinder rod sleeve pipe; Described cylinder rod sleeve pipe up/down perforation is through heated bitumen spray chamber, and described cylinder rod sleeve pipe side is provided with the pitch passing hole communicated with heated bitumen spray chamber; Described asphalt nozzle is arranged on the lower surface of cylinder rod sleeve pipe; Described cylinder rod is for controlling the opening and closing of asphalt nozzle; Described foamed asphalt sprays control oil cylinder and comprises oil pressure cntrol chamber, cylinder rod, cylinder rod sleeve pipe; Described cylinder rod sleeve pipe up/down perforation is through asphalt foaming room, and described cylinder rod sleeve pipe side is provided with the foamed asphalt passing hole communicated with asphalt foaming room; Described foamed asphalt outlet is arranged on cylinder rod its lower end face; Described cylinder rod is for controlling the opening and closing of foamed asphalt outlet; Described heating unit comprises the conduction oil coil pipe be arranged in heated bitumen spray chamber; The flow of described control unit control water pump, the pressure of pressure-regulating valve, heated bitumen spray the opening and closing of control cylinder, the opening and closing of foamed asphalt sprinkling control oil cylinder; Described multiple heated bitumen sprinkling system is arranged in agitator tank in three dimensions.
Above-mentioned asphalt foaming room comprises foam chamber and output cavity; Described output cavity is cylindrical cavity; Described foam chamber is the cylindrical cavity that diameter is greater than output cavity; It is fan-shaped transition passage between described foam chamber and cylindrical cavity; The center line of described cylinder rod sleeve pipe overlaps with foamed asphalt outlet axes and output cavity center line; The crossing point of axes of described foaming gas jets and foaming (operating) water nozzle is positioned at asphalt foaming indoor, and is positioned on the axis of asphalt nozzle, and the axis of described asphalt nozzle overlaps with the center line of foam chamber.
The above-mentioned pavement maintenance truck based on foamed asphalt also can comprise the temperature pick up be arranged in heated bitumen spray chamber.
The beneficial effects of the utility model are:
1, the utility model can improve highway maintenance car construction effect greatly.The utility model adopts foamed asphalt as the asphalt material mixed with reworked material, effectively can overcome the shortcoming of above-mentioned heated bitumen and mulseal.
2, the utility model adopts multiple independently heated bitumen sprinkling system, is arranged in agitator tank, can reaches best mixing effect according to best orientation.
3, the utility model adopts cylinder to control the switch of heated bitumen, can realize rapidly opened and closed; Adopt oil cylinder control foamed asphalt outlet switch effectively can prevent outlet obstruction, water, gas blowout have all installed one way valve additional, can anti-sealing, gas flow backwards.
4, energy-conserving and environment-protective, cheap.The utility model does not need the additive of mulseal, only in pitch, adds aqueous water, so do not have environment pollution.
Accompanying drawing explanation
Fig. 1 is the structural representation of foamed cell of the present utility model;
Fig. 2 is the A-A view of Fig. 1, is the structural representation of asphalt foaming room of the present utility model
Fig. 3 is the structural representation of the utility model highway maintenance car;
Fig. 4 is the principle schematic on the utility model foaming water transfer pipeline and foaming letter shoot road;
Reference numeral: 1-heated bitumen sprays control cylinder; 2-heated bitumen spray chamber; 3-conduction oil coil pipe; 4-asphalt nozzle; The split type asphalt foaming room of 5-; 6-foams water one-way valve; 7-foams (operating) water nozzle; 8-foaming gas one way valve; 9-foams gas jets; 10-foamed asphalt sprays and controls oil cylinder; 11-foamed asphalt outlet port; 12-temperature pick up; 13-baffle plate; 14-seal bar.
Detailed description of the invention
See Fig. 1 to Fig. 4, a kind of pavement maintenance truck based on foamed asphalt, comprises agitator tank, two heated bitumen sprinkling systems; Heated bitumen sprinkling system comprises heated bitumen spray chamber, foamed cell, control unit, heating unit; Heated bitumen spray chamber is communicated with asphalt delivery system; Foamed cell comprises asphalt foaming room, heated bitumen sprays control cylinder, asphalt nozzle, foamed asphalt spray and control oil cylinder, foamed asphalt outlet, foaming water transfer pipeline, foaming letter shoot road; Foaming water transfer pipeline comprises water tank, water pump, foaming water one-way valve, is arranged on the foaming (operating) water nozzle in foaming water one-way valve exit; Foaming letter shoot road comprises air pressure pump, pressure-regulating valve, exports the foaming gas one way valve be connected, the foaming gas jets being arranged on the gas one-way valved outlet place that foams with pressure-regulating valve; Foaming gas jets and foaming (operating) water nozzle are opened on asphalt foaming indoor respectively; Heated bitumen sprays control cylinder and comprises air pressure control chamber, cylinder rod, cylinder rod sleeve pipe; Cylinder rod sleeve pipe up/down perforation is through heated bitumen spray chamber, and cylinder rod sleeve pipe side is provided with the pitch passing hole communicated with heated bitumen spray chamber; Asphalt nozzle is arranged on the lower surface of cylinder rod sleeve pipe; Cylinder rod is for controlling the opening and closing of asphalt nozzle; Foamed asphalt sprays control oil cylinder and comprises oil pressure cntrol chamber, cylinder rod, cylinder rod sleeve pipe; Cylinder rod sleeve pipe up/down perforation is through asphalt foaming room, and cylinder rod sleeve pipe side is provided with the foamed asphalt passing hole communicated with asphalt foaming room; Foamed asphalt outlet is arranged on cylinder rod its lower end face; Cylinder rod is for controlling the opening and closing of foamed asphalt outlet; Heating unit comprises the conduction oil coil pipe be arranged in heated bitumen spray chamber; The flow of control unit control water pump, the pressure of pressure-regulating valve, heated bitumen spray the opening and closing of control cylinder, the opening and closing of foamed asphalt sprinkling control oil cylinder; Be arranged in agitator tank in acute angle mode between two heated bitumen sprinkling systems are relative.Also temperature pick up is provided with in heated bitumen spray chamber.
Asphalt foaming room comprises foam chamber and output cavity; Output cavity is cylindrical cavity; Foam chamber is the cylindrical cavity that diameter is greater than output cavity; It is fan-shaped transition passage between foam chamber and cylindrical cavity; The center line of cylinder rod sleeve pipe overlaps with foamed asphalt outlet axes and output cavity center line; The crossing point of axes of foaming gas jets and foaming (operating) water nozzle is positioned at asphalt foaming indoor, and is positioned on the axis of asphalt nozzle, and the axis of asphalt nozzle overlaps with the center line of foam chamber.
The utility model produces the method for foamed asphalt, comprises the following steps:
1) pitch circulation is entered heating in heated bitumen spray chamber 2, to temperature more than 130 DEG C;
2) stop circulation and the heating of pitch, open the outlet of asphalt foaming room;
3) aqueous water is sprayed into according to the proportioning accounting for asphalt quality 1-3% to asphalt foaming indoor; The pressure-air of 1-3MPa sprayed into asphalt foaming room simultaneously and bump against with aqueous water;
4) heated bitumen temperature being greater than 130 DEG C sprays into asphalt foaming room perpendicular to liquid water and air injection direction;
5) heated bitumen and water are mixed to form foamed asphalt, spray under the drive of pressure-air from the outlet of asphalt foaming room to agitator.
The utility model principle: heated bitumen and water are through accurate metering, and compressed air keeps normal pressure, and three kinds of media mix in foaming chamber; Water is by instant vaporization after heated bitumen heating, and the very fast expansion of volume, forms a large amount of asphalt foams, under compressed-air actuated purging effect, from foamed asphalt outlet ejection.
Claims (3)
1., based on a pavement maintenance truck for foamed asphalt, it is characterized in that:
Comprise agitator tank, multiple heated bitumen sprinkling system;
Described heated bitumen sprinkling system comprises heated bitumen spray chamber, foamed cell, control unit, heating unit; Described heated bitumen spray chamber is communicated with asphalt delivery system;
Described foamed cell comprises asphalt foaming room, heated bitumen sprays control cylinder, asphalt nozzle, foamed asphalt spray and control oil cylinder, foamed asphalt outlet, foaming water transfer pipeline, foaming letter shoot road; Described foaming water transfer pipeline comprise water tank, water pump, foaming water one-way valve, be arranged on foaming water one-way valve exit foaming (operating) water nozzle; Described foaming letter shoot road comprises air pressure pump, pressure-regulating valve, exports the foaming gas one way valve be connected, the foaming gas jets being arranged on the gas one-way valved outlet place that foams with pressure-regulating valve; Described foaming gas jets and foaming (operating) water nozzle are opened on asphalt foaming indoor respectively; Described heated bitumen sprays control cylinder and comprises air pressure control chamber, cylinder rod, cylinder rod sleeve pipe; Described cylinder rod sleeve pipe up/down perforation is through heated bitumen spray chamber, and described cylinder rod sleeve pipe side is provided with the pitch passing hole communicated with heated bitumen spray chamber; Described asphalt nozzle is arranged on the lower surface of cylinder rod sleeve pipe; Described cylinder rod is for controlling the opening and closing of asphalt nozzle; Described foamed asphalt sprays control oil cylinder and comprises oil pressure cntrol chamber, cylinder rod, cylinder rod sleeve pipe; Described cylinder rod sleeve pipe up/down perforation is through asphalt foaming room, and described cylinder rod sleeve pipe side is provided with the foamed asphalt passing hole communicated with asphalt foaming room; Described foamed asphalt outlet is arranged on cylinder rod its lower end face; Described cylinder rod is for controlling the opening and closing of foamed asphalt outlet;
Described heating unit comprises the conduction oil coil pipe be arranged in heated bitumen spray chamber;
The flow of described control unit control water pump, the pressure of pressure-regulating valve, heated bitumen spray the opening and closing of control cylinder, the opening and closing of foamed asphalt sprinkling control oil cylinder;
Described multiple heated bitumen sprinkling system is arranged in agitator tank in three dimensions.
2. the pavement maintenance truck based on foamed asphalt according to claim 1, is characterized in that:
Described asphalt foaming room comprises foam chamber and output cavity; Described output cavity is cylindrical cavity; Described foam chamber is the cylindrical cavity that diameter is greater than output cavity; It is fan-shaped transition passage between described foam chamber and cylindrical cavity; The center line of described cylinder rod sleeve pipe overlaps with foamed asphalt outlet axes and output cavity center line; The crossing point of axes of described foaming gas jets and foaming (operating) water nozzle is positioned at asphalt foaming indoor, and is positioned on the axis of asphalt nozzle, and the axis of described asphalt nozzle overlaps with the center line of foam chamber.
3. the pavement maintenance truck based on foamed asphalt according to claim 1 and 2, is characterized in that: also comprise the temperature pick up be arranged in heated bitumen spray chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420870371.0U CN204551209U (en) | 2014-12-31 | 2014-12-31 | Based on the pavement maintenance truck of foamed asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420870371.0U CN204551209U (en) | 2014-12-31 | 2014-12-31 | Based on the pavement maintenance truck of foamed asphalt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204551209U true CN204551209U (en) | 2015-08-12 |
Family
ID=53826343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420870371.0U Expired - Fee Related CN204551209U (en) | 2014-12-31 | 2014-12-31 | Based on the pavement maintenance truck of foamed asphalt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204551209U (en) |
-
2014
- 2014-12-31 CN CN201420870371.0U patent/CN204551209U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20171231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |