CN113550202A - Pitch dispensing device is used in highway construction - Google Patents
Pitch dispensing device is used in highway construction Download PDFInfo
- Publication number
- CN113550202A CN113550202A CN202111013815.XA CN202111013815A CN113550202A CN 113550202 A CN113550202 A CN 113550202A CN 202111013815 A CN202111013815 A CN 202111013815A CN 113550202 A CN113550202 A CN 113550202A
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- China
- Prior art keywords
- pipe
- asphalt
- heat
- mounting
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 58
- 239000010426 asphalt Substances 0.000 claims abstract description 57
- 238000009434 installation Methods 0.000 claims description 31
- 238000007599 discharging Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000007711 solidification Methods 0.000 abstract description 4
- 230000008023 solidification Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000011295 pitch Substances 0.000 description 36
- 238000009413 insulation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 239000011294 coal tar pitch Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011301 petroleum pitch Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- E01C19/16—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 for applying or spreading liquid materials, e.g. bitumen slurries
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention belongs to the field of road construction, and particularly relates to an asphalt spreading device for highway construction. The asphalt dispensing device provided by the invention can heat asphalt in the asphalt box through the first heating device during the transportation of the asphalt, so that the possibility of solidification of the asphalt in the transportation process is greatly reduced, the convenience of pouring the asphalt is improved, the construction time is greatly reduced, and when the asphalt is poured, the poured asphalt is heated through the second heating device, so that the asphalt is prevented from being solidified in the shunt pipe.
Description
Technical Field
The invention relates to the field of road construction, in particular to an asphalt spreading device for highway construction.
Background
Asphalt for paving roads. The asphalt is prepared by normal reduced pressure distillation of crude oil with proper properties, or by light oxidation or propane deasphalting of reduced pressure residual oil, or by blending and preparing asphalt with different ductility and penetration grades, has good fluidity, thermal stability, durable adhesion, elastoplasticity, electric insulation and water resistance, is suitable for paving and road asphalt pavement with light traffic volume, is a dark brown complex mixture consisting of hydrocarbons with different molecular weights and non-metallic derivatives thereof, is one of high-viscosity organic liquids, mostly exists in a liquid or semisolid petroleum form, has a dark surface, and can be dissolved in carbon disulfide and carbon tetrachloride. Asphalt is a waterproof, moistureproof and anticorrosive organic cementing material. The asphalt can be mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt: among them, coal tar pitch is a by-product of coking. Petroleum pitch is the residue of crude oil distillation. Natural bitumen is stored underground, and some forms a mineral layer or is accumulated on the surface of the crust. The asphalt is mainly used in the industries of paint, plastics, rubber and the like and pavement and the like.
However, the conventional asphalt is generally heated and then transported to a place where the asphalt needs to be paved for spreading operation, the phenomenon of asphalt solidification often occurs in the transportation process, the solidified asphalt can not fall out when spreading and paving are performed, the construction progress is seriously influenced, and when the conventional asphalt is transported, a tank body containing the asphalt is easy to fall or collide on a truck, so that the asphalt is spilled out or the tank body is broken.
Disclosure of Invention
The invention aims to provide an asphalt spreading device for road construction, which aims to solve the problems that the phenomenon of asphalt solidification is often generated in the transportation process, the solidified asphalt can not fall out during spreading and paving, and the construction progress is seriously influenced in the background technology, and therefore, the asphalt spreading device for road construction is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the asphalt dispensing device for highway construction comprises a third mounting plate, wherein an asphalt box is mounted on the third mounting plate, the asphalt box is a square box, four first heating devices are mounted on the asphalt box, and the four first heating devices are oppositely mounted on the side face of the asphalt box in pairs;
the first heating device comprises a base plate, the base plate is fixedly installed on an asphalt box, a heat insulation plate is installed on one side of the base plate, a snake-shaped installation groove is formed in the heat insulation plate, a resistance heating wire is installed in the installation groove, an installation hole is formed in the base plate, the installation hole penetrates through the base plate and the heat insulation plate, an installation pipe is installed between two opposite installation holes, a heat-resisting fan is installed at one end of the installation pipe, the heat-resisting fan and the installation pipe are coaxially arranged, and a heating wire mesh is further installed in the installation pipe.
Preferably, a spiral induced air groove is formed in the installation pipe, a heat conduction rod is inserted and fixed in the induced air groove, a heat absorption plate is installed at one end, located in the installation pipe, of the heat conduction rod, and the heat absorption plate is an arc plate and is attached to the induced air groove.
Preferably, the heat conducting rod and the heat absorbing plate are made of red copper.
Preferably, a set of first fixing groove and a set of second fixing groove are installed on the upper side of the third installation plate, a first L-shaped fixing rod is inserted in the first fixing groove, a second L-shaped fixing rod is inserted in the second fixing groove, the first L-shaped fixing rod and the second L-shaped fixing rod are arranged oppositely, the second L-shaped fixing rod is located below the first L-shaped fixing rod, a screw rod is fixedly installed on the second L-shaped fixing rod, a sliding hole is formed in the first L-shaped fixing rod, the screw rod penetrates through the sliding hole and is in sliding connection with the sliding hole, two nuts are connected to the screw rod in a threaded mode, the two nuts are respectively arranged on the upper side and the lower side of the first L-shaped fixing rod, and anti-slip rings are installed between the two nuts and the first L-shaped fixing rod.
Preferably, the blanking pipe is installed to pitch case downside, install the push-pull valve on the blanking pipe, the blanking pipe is square pipe, the blanking pipe slope sets up, installs a set of shunt tubes at the blanking pipe lower extreme, and the shunt tubes are square pipe, all installs the second heating device on every shunt tube.
Preferably, second heating device includes first mounting panel, second mounting panel and connecting pipe, the connecting pipe runs through first mounting panel, shunt tubes and second mounting panel in proper order, the both ends of connecting pipe are fixed respectively on first mounting panel and second mounting panel, and the relative both sides at the shunt tubes are installed relatively to first mounting panel and second mounting panel, the inside spiral shell that is equipped with of connecting pipe, use the heat pipe intercommunication between connecting pipe and the installation pipe, the heat pipe is installed in the one end that the heat-resisting fan was kept away from to the installation pipe.
Preferably, be equipped with control center and energy supply case on the third mounting panel, control center's output and the input electric connection of heat-resisting fan, the electric power output end of energy supply case is the electricity with resistance heating wire's electric power receiving terminal, the electric power receiving terminal of heating wire net and is connected.
The invention has at least the following beneficial effects:
1. when the transportation of pitch, can heat the pitch of pitch incasement through first heating device, first heating device is when heating pitch, on the one hand can heat the pitch case through installing the resistance heating silk on the heat insulating board, on the other hand heats the wind that heat-resisting fan blew off through heating wire net and heats pitch in transmitting to the pitch incasement via the installation pipe, resistance heating silk is showing the pitch heating effect near pitch case edge, the effect that the heating wire net heats through hot-blast pitch to pitch case center department is showing, two sets of synchronous heats the condition that has reduced pitch and has solidified on the way in the transportation, the convenience when having promoted pitch and pouring out, construction time has significantly reduced.
2. When carrying out empting of pitch, pitch when pouring out is heated through second heating device, when preventing to appear empting pitch, the phenomenon that pitch solidifies in the shunt pipe, and the heat source that second heating device used is the exhaust hot-blast of first heating device, has promoted the utilization ratio of resource greatly, has reduced the cost of transportation, has increased the profit.
3. The device can be fixed on a carrying plate of any truck by using the first L-shaped fixing rod and the second L-shaped fixing rod which are oppositely arranged, when the device is used, the first L-shaped fixing rod is clamped in the first fixing groove, the second L-shaped fixing rod is placed below the carrying plate, the third mounting plate is positioned above the carrying plate, the third mounting plate and the carrying plate are positioned between the first L-shaped fixing rod and the second L-shaped fixing rod, the first L-shaped fixing rod and the second L-shaped fixing rod are tightened by using the screw and the corresponding nut, and then the device is fixed on the carrying plate of the truck, so that the device can be transported by using any truck, and the applicability of the device is greatly improved.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of the basic structure of the present invention.
Fig. 2 is a schematic view of the basic structure of the second heating apparatus of the present invention.
FIG. 3 is a schematic view showing the connection of the resistance heating wire of the present invention to an insulated board.
FIG. 4 is a schematic view of the attachment of the substrate to the thermal shield of the present invention.
FIG. 5 is a schematic diagram of the position relationship between the first and second L-shaped fixing rods according to the present invention.
Fig. 6 is a schematic view of the internal structure of the installation tube of the present invention.
Fig. 7 is a schematic view showing an internal structure of the connection pipe of the present invention.
In the figure: 1. a third mounting plate; 2. an asphalt box; 3. a first heating device; 301. a substrate; 302. a heat insulation plate; 303. mounting grooves; 304. resistance heating wires; 305. mounting holes; 306. installing a pipe; 307. a heat-resistant fan; 308. heating the silk screen; 309. a wind guide groove; 310. a heat conducting rod; 311. a heat absorbing plate; 4. a first fixing groove; 5. a second fixing groove; 6. a first "L" shaped securing lever; 7. a second "L" shaped securing lever; 8. a screw; 9. a slide hole; 10. a nut; 11. an anti-slip ring; 12. a discharging pipe; 13. a shunt tube; 14. a second heating device; 141. a first mounting plate; 142. a second mounting plate; 143. a connecting pipe; 144. a spiral plate; 15. a gate valve; 16. a heat conducting pipe; 17. a control center; 18. energy supply box.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 7, the asphalt spreading device for road construction comprises a third mounting plate 1, wherein an asphalt tank 2 is mounted on the third mounting plate 1, the asphalt tank 2 is a square tank, four first heating devices 3 are mounted on the asphalt tank 2, and the four first heating devices 3 are mounted on the side surface of the asphalt tank 2 in a pairwise opposite manner;
Be equipped with spiral helicine induced air groove 309 in the installation pipe 306, peg graft and be fixed with heat conduction rod 310 in induced air groove 309, heat-absorbing plate 311 is installed to the one end that heat conduction rod 310 is in installation pipe 306 inside, heat-absorbing plate 311 is the circular arc board and sets up with induced air groove 309 laminating, heat conduction rod 310 is red copper material with heat-absorbing plate 311, red copper has good heat conductivility, induced air groove 309 can guide hot-blast spiral rotation taking place in installation pipe 306, increase hot-blast and heat-absorbing plate 311's contact time, the utilization ratio of resource has been promoted.
A set of first fixed slot 4 and second fixed slot 5 are installed to 1 upside of third mounting panel, it has first "L" shape dead lever 6 to peg graft in first fixed slot 4, it has second "L" shape dead lever 7 to peg graft in second fixed slot 5, first "L" shape dead lever 6 sets up with second "L" shape dead lever 7 relatively, second "L" shape dead lever 7 is in first "L" shape dead lever 6 below, fixed mounting has screw rod 8 on second "L" shape dead lever 7, be equipped with slide opening 9 on first "L" shape dead lever 6, screw rod 8 passes slide opening 9 and rather than sliding connection, threaded connection has two nuts 10 on screw rod 8, two nuts 10 set up both sides about first "L" shape dead lever 6 respectively, all install antiskid ring 11 between two nuts 10 and first "L" shape dead lever 6.
The unloading pipe 12 is installed to 2 downside of pitch case, installs push-pull valve 15 on the unloading pipe 12, and unloading pipe 12 is square pipe, and unloading pipe 12 slopes to set up, installs a set of shunt tubes 13 at unloading pipe 12 lower extreme, and shunt tubes 13 are square pipe, all installs second heating device 14 on every shunt tubes 13.
The second heating device 14 includes a first mounting plate 141, a second mounting plate 142 and a connecting pipe 143, the connecting pipe 143 sequentially penetrates through the first mounting plate 141, the shunt tubes 13 and the second mounting plate 142, two ends of the connecting pipe 143 are respectively fixed on the first mounting plate 141 and the second mounting plate 142, the first mounting plate 141 and the second mounting plate 142 are respectively installed on two opposite sides of the corresponding shunt tubes 13, a spiral plate 144 is arranged inside the connecting pipe 143, the connecting pipe 143 and the mounting pipe 306 are communicated by using a heat pipe 16, the heat pipe 16 is installed at one end of the mounting pipe 306 far away from the heat-resistant fan 307, a control center 17 and an energy supply box 18 are arranged on the third mounting plate 1, an output end of the control center 17 is electrically connected with an input end of the heat-resistant fan 307, the control center 17 is a PLC controller, the spiral plate 144 can increase the time of hot air in the connecting pipe 143, increase the utilization rate of resources, an electric output end of the energy supply box 18 and an electric receiving end of the resistance heating wire 304, The power receiving ends of the heating wire mesh 308 are all electrically connected.
The use principle is as follows: when carrying out the installation of this device, can use and set up first "L" shape dead lever 6 and second "L" shape dead lever 7 relatively and fix this device on the board of transporting of arbitrary truck, when using, with first "L" shape dead lever 6 joint in first fixed slot 4, place second "L" shape dead lever 7 below transporting the board again, make third mounting panel 1 be in transporting the board top, third mounting panel 1 with transport the board and be in between first "L" shape dead lever 6 and second "L" shape dead lever 7, use screw rod 8 and corresponding nut 10 to tighten up between first "L" shape dead lever 6 and the second "L" shape dead lever 7, and then fix this device on the board of transporting of truck, make this device can use arbitrary truck to transport, the suitability of this device has been promoted greatly.
During the transportation of pitch, can heat the pitch in pitch case 2 through first heating device 3, first heating device 3 is when heating pitch, on the one hand can heat pitch case 2 through installing resistance heating wire 304 on heat insulating board 302, on the other hand heats the wind that heat-resisting fan 307 blew out through heating wire net 308 and heats pitch in transmitting to pitch case 2 via installation pipe 306, resistance heating wire 304 is showing the pitch heating effect near pitch case 2 edge, heating wire net 308 is showing the effect that pitch 2 center department was heated through hot-blast, two sets of synchronous heats the condition that has reduced pitch solidification on the way of transportation greatly, the convenience when pitch is poured out has been promoted, construction time has significantly reduced.
When carrying out empting of pitch, heat the pitch when pouring through second heating device 14, prevent that pitch from solidifying's phenomenon in shunt tubes 13 when empting, the heat source that second heating device 14 used is the hot-blast of 3 dischargements of first heating device, has promoted the utilization ratio of resource greatly, has reduced the cost of transportation, has increased the profit.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The asphalt spreading device for the highway construction is characterized by comprising a third mounting plate (1), wherein an asphalt box (2) is mounted on the third mounting plate (1), the asphalt box (2) is a square box, four first heating devices (3) are mounted on the asphalt box (2), and the four first heating devices (3) are oppositely mounted on the side face of the asphalt box (2) in pairs; first heating device (3) include base plate (301), base plate (301) fixed mounting is on pitch case (2) heat insulating board (302) are installed to base plate (301) one side be equipped with snakelike mounting groove (303) on heat insulating board (302) install resistance heating wire (304) in mounting groove (303), seted up mounting hole (305) on base plate (301), mounting hole (305) run through base plate (301) and heat insulating board (302), install between two relative mounting hole (305) installation pipe (306) heat-resisting fan (307) are installed to the one end of installation pipe (306), heat-resisting fan (307) and installation pipe (306) coaxial setting still install heating silk screen (308) in installation pipe (306).
2. The asphalt spreading device for road construction according to claim 1, wherein a spiral air guide groove (309) is formed in the installation pipe (306), a heat conducting rod (310) is inserted and fixed in the air guide groove (309), one end of the heat conducting rod (310) located inside the installation pipe (306) is provided with a heat absorbing plate (311), and the heat absorbing plate (311) is an arc plate and is attached to the air guide groove (309).
3. The asphalt spreading device for road construction according to claim 2, wherein the heat conducting rod (310) and the heat absorbing plate (311) are made of red copper.
4. The asphalt spreading device for road construction according to claim 1, wherein a set of first fixing grooves (4) and second fixing grooves (5) are installed at the upper side of the third mounting plate (1), first L-shaped fixing rods (6) are inserted into the first fixing grooves (4), second L-shaped fixing rods (7) are inserted into the second fixing grooves (5), the first L-shaped fixing rods (6) and the second L-shaped fixing rods (7) are oppositely arranged, the second L-shaped fixing rods (7) are positioned below the first L-shaped fixing rods (6), screw rods (8) are fixedly installed on the second L-shaped fixing rods (7), sliding holes (9) are formed in the first L-shaped fixing rods (6), and the screw rods (8) pass through the sliding holes (9) and are slidably connected with the sliding holes (9), the screw rod (8) is in threaded connection with two nuts (10), the two nuts (10) are respectively arranged on the upper side and the lower side of the first L-shaped fixing rod (6), and anti-slip rings (11) are arranged between the two nuts (10) and the first L-shaped fixing rod (6).
5. A asphalt spreading device for road construction according to claim 1, wherein a discharging pipe (12) is installed at the lower side of the asphalt tank (2), a gate valve (15) is installed on the discharging pipe (12), the discharging pipe (12) is a square pipe, the discharging pipe (12) is arranged obliquely, a group of shunt pipes (13) are installed at the lower end of the discharging pipe (12), the shunt pipes (13) are square pipes, and a second heating device (14) is installed on each shunt pipe (13).
6. An asphalt spreading device for road construction according to claim 5, wherein the second heating device (14) comprises a first mounting plate (141), a second mounting plate (142) and a connecting pipe (143), the connecting pipe (143) sequentially penetrates through the first mounting plate (141), the shunt pipe (13) and the second mounting plate (142), two ends of the connecting pipe (143) are respectively fixed on the first mounting plate (141) and the second mounting plate (142), the first mounting plate (141) and the second mounting plate (142) are oppositely arranged on two sides of the shunt pipe (13), a spiral plate (144) is arranged in the connecting pipe (143), the connecting pipe (143) and the mounting pipe (306) are communicated with each other by using a heat conducting pipe (16), and the heat conducting pipe (16) is arranged at one end of the mounting pipe (306) far away from the heat-resistant fan (307).
7. The asphalt spreading device for road construction according to claim 6, wherein a control center (17) and an energy supply box (18) are arranged on the third mounting plate (1), the output end of the control center (17) is electrically connected with the input end of the heat-resistant fan (307), and the power output end of the energy supply box (18) is electrically connected with the power receiving end of the resistance heating wire (304) and the power receiving end of the heating wire mesh (308).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013815.XA CN113550202A (en) | 2021-08-31 | 2021-08-31 | Pitch dispensing device is used in highway construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111013815.XA CN113550202A (en) | 2021-08-31 | 2021-08-31 | Pitch dispensing device is used in highway construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113550202A true CN113550202A (en) | 2021-10-26 |
Family
ID=78106307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111013815.XA Pending CN113550202A (en) | 2021-08-31 | 2021-08-31 | Pitch dispensing device is used in highway construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113550202A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007239431A (en) * | 2006-03-06 | 2007-09-20 | Toshihiko Honma | Heating device for asphalt tank truck |
| CN203373644U (en) * | 2013-08-01 | 2014-01-01 | 张树生 | Continuous heating control system for recycled asphalt mixture |
| CN108316098A (en) * | 2018-04-24 | 2018-07-24 | 缪湘湘 | It is a kind of that there is heating and nozzle height the bituminous distributor of function is adjusted |
| CN210177321U (en) * | 2019-04-10 | 2020-03-24 | 李艳霞 | Highway maintenance dispensing device |
-
2021
- 2021-08-31 CN CN202111013815.XA patent/CN113550202A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007239431A (en) * | 2006-03-06 | 2007-09-20 | Toshihiko Honma | Heating device for asphalt tank truck |
| CN203373644U (en) * | 2013-08-01 | 2014-01-01 | 张树生 | Continuous heating control system for recycled asphalt mixture |
| CN108316098A (en) * | 2018-04-24 | 2018-07-24 | 缪湘湘 | It is a kind of that there is heating and nozzle height the bituminous distributor of function is adjusted |
| CN210177321U (en) * | 2019-04-10 | 2020-03-24 | 李艳霞 | Highway maintenance dispensing device |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211026 |
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| RJ01 | Rejection of invention patent application after publication |