CN109235198B - Asphalt pavement curing agent spraying vehicle - Google Patents
Asphalt pavement curing agent spraying vehicle Download PDFInfo
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- CN109235198B CN109235198B CN201811178745.1A CN201811178745A CN109235198B CN 109235198 B CN109235198 B CN 109235198B CN 201811178745 A CN201811178745 A CN 201811178745A CN 109235198 B CN109235198 B CN 109235198B
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- chain wheel
- curing agent
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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
- E01C19/12—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
- E01C19/17—Application by spraying or throwing
- E01C19/178—Elements or attachments for spreading-out or smoothing-down the applied material, e.g. brushes
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- Civil Engineering (AREA)
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- Road Paving Machines (AREA)
Abstract
The invention relates to a bituminous pavement curing agent spraying vehicle, which effectively solves the problems of poor absorption effect and high labor intensity of the traditional curing agent spreader; the technical scheme includes that the device comprises two hollow shafts which cannot rotate, each hollow shaft is provided with a round pipe, a roller is arranged on the outer side of each round pipe, a plurality of groups of brushes are evenly distributed on the periphery of the outer edge face of each roller, a spray head is arranged between every two groups of brushes, two ends of each hollow shaft are respectively sleeved with a rotating wheel, a first chain wheel which can move back and forth and can rotate along with the rotating wheel is arranged on the inner side of each rotating wheel, a polished rod is fixed on the inner end face of each first chain wheel, the other end of the polished rod is fixedly connected with a baffle disc, a second chain wheel is arranged between the two first chain wheels on the same side and connected with the first chain wheel and the second chain wheel on the same side through a chain, a transverse plate is arranged on the outer side of the chain, the first chain wheel and the second chain wheel.
Description
Technical Field
The invention relates to the field of road maintenance equipment, in particular to a spray coating vehicle for an asphalt pavement maintenance agent.
Background
The asphalt pavement curing agent is a novel material for preventive curing of asphalt pavements, is mainly used for preventive curing in a sub-health state of the asphalt pavements, is sprayed on the surfaces of the asphalt pavements, recovers and enhances the original performance through infiltrating, activating, repairing and reducing aged asphalt, stops the aging of the asphalt, plays a role in comprehensive preventive curing, avoids further diffusion of road diseases, prolongs the service life of the roads, and has the effects of beautifying the roads and quickly finishing and renewing the roads.
The asphalt pavement curing agent has two application modes: one is that the high-pressure spray gun directly sprays the asphalt pavement curing agent on the pavement by pressurization, so that the spraying mode has small spraying amount and needs to be sprayed repeatedly; the absorption rate of the road surface is low during spraying, and pressurizing equipment is needed during spraying, so that the mobility is low during spraying, but the spraying speed is high, and the number of workers is small. The other method is to use a scraper or a roller brush to directly contact and paint the asphalt pavement, the method needs a large amount of workers and has high labor intensity and low efficiency, but the painting is uniform, the absorption rate of the asphalt pavement is high, and the maintenance effect is good, so that a construction device of the asphalt pavement maintenance agent is needed at the present stage, the labor intensity of the workers is reduced and the efficiency is improved on the premise of meeting the requirements of uniform painting and high absorption rate of the asphalt pavement.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the asphalt pavement curing agent spraying vehicle, which effectively solves the problems of poor absorption effect and high labor intensity of the traditional curing agent spraying machine.
The technical proposal for solving the problems comprises two hollow shafts which are positioned on the same horizontal plane and are arranged side by side at intervals left and right, the hollow shafts can not rotate, each hollow shaft is sleeved with a round pipe which is coaxial with the hollow shaft and can rotate around the hollow shaft, two ends of each round pipe are respectively provided with a baffle disc, the two baffle discs can move oppositely and can reset reversely, the hollow shaft and the circular tube form a closed cavity, a roller is concentrically fixed on the outer side of the circular tube, a plurality of groups of hairbrushes are uniformly distributed on the periphery of the outer edge surface of the roller, each group of hairbrushes are uniformly distributed at intervals along the axis direction of the roller, a spray head is arranged between every two groups of hairbrushes, the other end of the spray head is communicated with the closed cavity, the outer edge surface of each baffle disc can slide along the inner wall of the circular tube, but cannot rotate, the inner edge surface and the hollow shaft slide along the wall and can rotate, the spray heads can be opened by the opposite movement of the two baffle discs, and the spray heads;
the hollow shaft is characterized in that two ends of the hollow shaft are respectively sleeved with a rotating wheel, a first chain wheel capable of moving back and forth and rotating along with the rotating wheel is coaxially arranged on the inner side of each rotating wheel, a polished rod is fixed on the inner end face of each first chain wheel, the other end of each polished rod is fixedly connected with a corresponding baffle disc, a second chain wheel is arranged between the two first chain wheels on the same side, the first chain wheel and the second chain wheel on the same side are connected through a chain, a transverse plate is arranged on the outer side of the chain, the first chain wheel and the second chain wheel on the same side are both rotatably connected to the transverse plate, a vertical plate is arranged on the inner side of each second chain wheel, a mounting hole is formed in the vertical plate, a reciprocating lead screw with one end coaxially fixed on the second chain wheel is arranged in the mounting hole, a sliding block arranged in a reciprocating lead screw groove is arranged on the inner wall of the mounting hole, the second chain.
The maintenance agent spraying device is novel in concept, ingenious in structure and high in practicability, the maintenance agent for the asphalt pavement is intermittently sprayed to the brushes, so that the brushes can be used for soaking enough maintenance agent at different speeds, the maintenance agent is more uniformly coated, the absorption of the maintenance agent is effectively promoted under the double-roller pressing of the two brushes, and the labor intensity is reduced.
Drawings
FIG. 1 is a front view of the present invention.
FIG. 2 is a left side sectional view of the hollow shaft, circular tube and roller fitting structure of the present invention.
FIG. 3 is a top sectional view of the present invention.
FIG. 4 is a partial enlarged view of the area B in FIG. 3 according to the present invention.
FIG. 5 is a front sectional view of the hollow shaft, circular tube and roller fitting structure of the present invention.
FIG. 6 is an enlarged view of a portion of the region A in the drawing.
FIG. 7 is a schematic view of the structure of the slave wheel cooperating with the first and second sprockets of the present invention.
FIG. 8 is a schematic structural view of the mounting position of the reciprocating lead screw of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
As can be seen from the drawings 1 to 8, the invention comprises two hollow shafts 1 which are positioned on the same horizontal plane and are arranged side by side at intervals left and right, the hollow shafts 1 can not rotate, each hollow shaft 1 is sleeved with a round pipe 2 which is coaxial with and can rotate around the hollow shaft, two ends of each round pipe 2 are respectively provided with a baffle disc 3, the two baffle discs 3 can move oppositely and can reset reversely, the baffle discs 3, the hollow shafts 1 and the round pipes 2 form a closed cavity, a roller 4 is concentrically fixed at the outer side of the round pipe 2, a plurality of groups of brushes 5 are uniformly distributed on the circumference of the outer edge surface of the roller 4, a plurality of brushes 5 are uniformly distributed at intervals along the axial direction of the roller 4, a spray head 6 is arranged between each two groups of brushes 5, the other end of the spray head 6 is communicated with the closed cavity, the outer edge surface of each baffle disc 3 can slide along the wall of the inner wall of the round pipe, the two blocking discs 3 move oppositely to open the spray head 6, and the spray head 6 is closed when the two blocking discs are reset reversely;
the hollow shaft 1 is sleeved with a rotating wheel 7 at two ends respectively, a first chain wheel 8 capable of moving back and forth and rotating along with the rotating wheel is coaxially arranged at the inner side of each rotating wheel 7, a polished rod 9 is fixed on the inner end face of each first chain wheel 8, the other end of each polished rod 9 is fixedly connected with a corresponding baffle disc 3, a second chain wheel 10 is arranged between the two first chain wheels 8 at the same side and connected with the first chain wheel and the second chain wheel through a chain 11, a transverse plate 12 is arranged at the outer side of the chain 11, the first chain wheel 8 and the second chain wheel 10 at the same side are both rotatably connected with the transverse plate 12, a vertical plate 13 is arranged at the inner side of each second chain wheel 10, a mounting hole 14 is arranged on the vertical plate 13, a reciprocating screw 15 with one end coaxially fixed on the second chain wheel 10 is arranged in the mounting hole 14, a slide block 16 arranged in a spiral groove of the reciprocating screw 15 is arranged on the inner wall of the mounting hole, thereby realizing that the transverse plate 12 drives the polished rod 9 to extrude the retaining disc 3 to move oppositely and reset back to back through the first chain wheel 8.
In order to realize uninterrupted feeding of the closed cavity, a storage box 17 is fixed above the two rollers 4, two connecting pipes 18 are respectively arranged at the front end and the rear end of the storage box 17, the other end of each connecting pipe 18 is communicated with the closed cavity at the corresponding side of the hollow shaft 1, and a check valve 19 flowing from the storage box 17 to the closed cavity is arranged on each connecting pipe 18.
In order to fix the two hollow shafts 1 and the storage box 17, a cross rod 20 is respectively arranged at the front end and the rear end of each of the two hollow shafts 1, the two cross rods 20 and the two hollow shafts 1 are sequentially connected end to form a rectangular frame, a support rod 21 is respectively fixed on the front end face and the rear end face of the storage box 17, and one end of the support rod 21 is fixed on the storage box 17 while the other end is fixed on the rectangular frame.
In order to realize that two keep off shower nozzle 6 and open when dish 3 moves in opposite directions, shower nozzle 6 closes during reseing, the outside of shower nozzle 6 is equipped with a toper cover 22, the small circle face of toper cover 22 is equipped with a blind hole, in the blind hole was arranged in to the outer end of shower nozzle 6, the position circumference equipartition that the blind hole pore wall is close to the bottom has the through-hole 23 of a plurality of slopes, the other end of through-hole 23 and the big circular face intercommunication of toper cover 22, be connected through extension spring 24 between toper cover 22 and the roller 4 outer fringe face, realize setting up through toper cover 22 that blind hole bottom and shower nozzle 6 contact and extrusion obstruct the curing agent and spill under the initial condition, when keeping off dish 3 and moving in opposite directions the internal pressure increase of airtight cavity, toper cover 22 moves to the outside, the curing agent outwards sprays to brush 5 on from through-hole 23, realize.
In order to realize that the first chain wheels 8 can rotate along with the rotating wheels 7 and can move back and forth, an outer spline shaft 25 which is coaxial with the rotating wheels is fixed on the inner side of each rotating wheel 7, the inner diameter of the outer spline shaft 25 is larger than the outer diameter of the hollow shaft 1, an inner spline 26 which is matched with the outer spline shaft 25 is fixed in the inner edge surface of each first chain wheel 8, and the first chain wheel 8 can rotate along with the rotating wheels 7 and can move back and forth through the matching of the inner spline 26 and the outer spline shaft 25.
In order to realize keeping off the outer fringe face of dish 3 and 2 interior fringe faces of pipe adherent slip but can not rotate, be equipped with the rectangular form slide rail that sets up along its axis direction on 2 interior fringe faces of pipe, be equipped with on the outer fringe face of keeping off dish 3 with slide rail matched with spout, realize keeping off the outer fringe face of dish 3 and 2 interior fringe faces of pipe adherent slip but can not rotate through the cooperation of slide rail and spout.
In order to ensure that the roller 4 can be installed in the middle when rolling, a disc 27 which cannot move back and forth is rotatably installed in the middle of each hollow shaft 1, the outer circular surface of the disc 27 is fixed on the inner edge surface of the hollow circular tube 2, and the disc 27 equally divides a closed cavity formed by the circular tube 2, the baffle disc 3 and the hollow shaft 1 into two parts.
In order to facilitate the traction of the device, a pull rod 28 is fixed on the outer side of each cross rod 20 through a pin shaft, the other ends of the two pull rods 28 are connected through a connecting rod 29, and the back and forth movement of the device is realized by pulling the connecting rod 29.
The specific working process of the invention is as follows: when the device is used, sufficient asphalt pavement curing agent is added into the storage box 17, then the hollow mandrel 1 is pulled to keep non-rotation in the moving process of the connecting rod 29, the rotating wheel 7 sleeved on the hollow mandrel 1 is contacted with the ground, so that the rotating wheel 7 rotates under the action of friction force with the ground when moving left and right, the diameter of the roller 4 is smaller than that of the rotating wheel 7, the diameter of a cylindrical structure formed by a plurality of brushes 5 on the roller 4 is larger than that of the rotating wheel 7, the brushes 5 are contacted with the ground and deform, thereby realizing effective contact with the ground, the brushes 5 can effectively drive the roller 4 to rotate under the supporting action of the rotating wheel 7, the cylindrical structure formed by the brushes 5 is contacted with the ground, meanwhile, the rotating wheel 7 and the first chain wheel 8 are installed through an external spline shaft 25 and an external spline, a polish rod 9 is arranged between the first chain wheel 8 and the blocking disc 3 and, and polished rod 9 can set up to a plurality ofly, therefore when moving, the tubular structure that brush 5 formed can keep synchronous rotation with runner 7, and roller 4 keeps synchronous rotation with its runner 7 that corresponds in this process, is provided with radial pole between roller 4 and the pipe 2 in order to guarantee the fixed mounting of pipe 2 and roller 4.
When the device is pulled leftwards, the roller 4 and the rotating wheel 7 both rotate anticlockwise, at this time, the first chain wheels 8 connected with the internal splines 26 through the external spline shafts 25 also synchronously rotate anticlockwise, at this time, the chains 11 buckled on the two first chain wheels 8 at the same side rotate, the rotation of the chains 11 drives the second chain wheels 10 to rotate, the second chain wheels 10 drive the reciprocating lead screws 15 coaxially fixed with the second chain wheels to rotate, the rotation of the reciprocating lead screws 15 can realize inward movement under the coordination of the sliding blocks 16, the reciprocating lead screws 15 move inwards to drive the second chain wheels 10 and drive the transverse plates 12 through the second chain wheels 10, so that the transverse plates 12 drive the polished rods 9 through the first chain wheels 8 to extrude the baffle discs 3 at two sides to move oppositely, in the process, because the internal splines 26 are arranged on the inner sides of the first chain wheels 8, and the internal spline 26 is fitted on the external spline shaft 25, thereby effecting inward movement thereof while the first sprocket 8 is rotated.
Along with the inward movement of polished rod 9, two fender dishes 3 in the same pipe 2 extrude the bituminous paving curing agent in the pipe 2 for pressure increase in the airtight cavity, when airtight cavity internal pressure increased to overcome extension spring 24 elasticity, toper cover 22 on the shower nozzle 6 was backed down, and bituminous paving curing agent passes through shower nozzle 6, blind hole, through-hole 23 and sprays to brush 5 on, and then soaks brush 5, makes to be full of bituminous paving curing agent on the brush 5.
As the rotating wheel 7 rotates, the first chain wheel 8, the second chain wheel 10, the first gear wheel and the reciprocating screw 15 continuously rotate, when the reciprocating screw 15 moves to the innermost side, the amount of the asphalt pavement curing agent extruded at the moment reaches the maximum, the reciprocating screw 15 starts to move reversely, and in the process of the reverse movement, the reciprocating screw rod 15 drives the second chain wheel 10, the transverse plate 12, the first chain wheel 8, the polish rod 9 and the baffle disc 3 to move outwards, the pressure in the closed cavity is reduced in the moving process, under the action of the tension spring 24, the conical sleeve 22 is pressed on the spray head 6 again to realize the sealing of the spray head 6, and along with the reduction of continuous pressure in the closed cavity and the action of the gravitational potential energy of the asphalt pavement curing agent, the asphalt pavement curing agent in the storage tank 17 is backfilled into the circular pipe 2 through the connecting pipe 18 with the one-way valve 19 to keep filling the circular pipe 2, so that enough asphalt pavement curing agent is provided for the reciprocating screw rod 15 to move inwards again.
This device has following advantage than traditional dragging device:
1. set up runner 7 through roller 4 both sides and realize that runner 7 and roller 4 rotate in step, runner 7 can satisfy brush 5 drive roller 4 for roller 4 provides the support and rotate, can also effectively prevent simultaneously that roller 4 from pressing 5 deformations of brush, places two rollers 4 around can be effectual scribbles the effect even and reach the promotion road surface absorption curing agent with the curing agent.
2. First sprocket 8 in this device, roller 4 and runner 7 are synchronous rotation, for realizing that intermittent type nature soaks brush 5, thereby realize keeping off 3 back movements extrusion bituminous paving curing agent of dish and make the curing agent spray on brush 5 through 6 intermittent type nature of shower nozzle through the reciprocating motion of the reciprocal lead screw 15 of both sides around, thereby realize that the spraying speed of curing agent matches with the translation rate of this device is followed to brush 5, guaranteed that the homoenergetic realizes the even spraying of curing agent under arbitrary speed.
3. This device accessible is changed the reciprocal lead screw of different length and is realized the change to curing agent extrusion capacity under the same speed to the spraying volume of adjustment curing agent makes this device can adapt to the different demands of the spraying volume of different road surface curing agents.
The maintenance agent spraying device is novel in concept, ingenious in structure and high in practicability, the maintenance agent for the asphalt pavement is intermittently sprayed to the brushes, so that the brushes can be used for soaking enough maintenance agent at different speeds, the maintenance agent is more uniformly coated, the absorption of the maintenance agent is effectively promoted under the double-roller pressing of the two brushes, and the labor intensity is reduced.
Claims (8)
1. A bituminous pavement curing agent spraying vehicle comprises two hollow shafts (1) which are arranged on the same horizontal plane and are arranged side by side at intervals left and right, the hollow shafts (1) cannot rotate, and the spraying vehicle is characterized in that each hollow shaft (1) is sleeved with a round pipe (2) which is coaxial with the hollow shaft and can rotate around the hollow shaft, two ends of each round pipe (2) are respectively provided with a baffle disc (3), the two baffle discs (3) can move oppositely and can reset reversely, the baffle discs (3), the hollow shafts (1) and the round pipes (2) form a closed cavity, a roller (4) is concentrically fixed on the outer side of each round pipe (2), a plurality of groups of brushes (5) are uniformly distributed on the outer edge surface of the roller (4), a plurality of brushes (5) are uniformly distributed at intervals along the axial direction of the roller (4), a spray head (6) is arranged between each two groups of brushes (5), and the other ends of the spray heads (, the outer edge surface of each baffle disc (3) can slide close to the wall of the inner wall of the circular tube (2) but cannot rotate, the inner edge surface can slide close to the wall of the hollow shaft (1) and can rotate, the spray heads (6) can be opened by the opposite movement of the two baffle discs (3), and the spray heads (6) are closed when the two baffle discs are reset reversely;
the two ends of the hollow shaft (1) are respectively sleeved with a rotating wheel (7), the inner side of each rotating wheel (7) is coaxially provided with a first chain wheel (8) which can move back and forth and can rotate along with the rotating wheel, a polished rod (9) is fixed on the inner end face of each first chain wheel (8), the other end of each polished rod (9) is fixedly connected with a corresponding baffle disc (3), a second chain wheel (10) is arranged between the two first chain wheels (8) on the same side and connected with the first chain wheels and the second chain wheels through a chain (11), the outer side of the chain (11) is provided with a transverse plate (12), the first chain wheels (8) and the second chain wheels (10) on the same side are both rotatably connected on the transverse plate (12), the inner side of each second chain wheel (10) is provided with a vertical plate (13), the vertical plate (13) is provided with a mounting hole (14), a reciprocating lead screw (15) is mounted in the mounting hole (, the inner wall of the mounting hole (14) is provided with a sliding block (16) arranged in a spiral groove of the reciprocating screw rod (15), the second chain wheel (10) rotates to drive the transverse plate (12) to reciprocate back and forth through the cooperation of the reciprocating screw rod (15) and the sliding block (16), and therefore the transverse plate (12) drives the polished rod (9) to extrude the blocking disc (3) to move oppositely and reset back through the first chain wheel (8).
2. The vehicle according to claim 1, wherein a storage tank (17) is fixed above the two rollers (4), two connecting pipes (18) are respectively arranged at the front end and the rear end of the storage tank (17), the other end of each connecting pipe (18) is communicated with the closed cavity on the corresponding side through the hollow shaft (1), and a check valve (19) which flows from the storage tank (17) to the closed cavity is arranged on each connecting pipe (18).
3. The asphalt pavement curing agent spraying vehicle according to claim 1, wherein a cross bar (20) is respectively arranged at the front end and the rear end of each of the two hollow shafts (1), the two cross bars (20) and the two hollow shafts (1) are sequentially connected end to form a rectangular frame, a support bar (21) is respectively fixed at the front end face and the rear end face of the storage box (17), one end of the support bar (21) is fixed on the storage box (17), and the other end of the support bar is fixed on the rectangular frame.
4. The asphalt pavement curing agent spraying vehicle as claimed in claim 1, wherein a conical sleeve (22) is arranged on the outer side of the spray head (6), a blind hole is formed in the small circular surface of the conical sleeve (22), the outer end of the spray head (6) is arranged in the blind hole, a plurality of inclined through holes (23) are uniformly distributed on the circumference of the blind hole wall close to the bottom, the other ends of the through holes (23) are communicated with the large circular surface of the conical sleeve (22), and the conical sleeve (22) is connected with the outer edge surface of the roller (4) through tension springs (24).
5. An asphalt pavement curing agent spraying vehicle as claimed in claim 1, wherein an external spline shaft (25) is fixed on the inner side of each rotating wheel (7) coaxially with the rotating wheel, the internal diameter of the external spline shaft (25) is larger than the external diameter of the hollow shaft (1), and an internal spline (26) matched with the external spline shaft (25) is fixed in the inner edge surface of each first chain wheel (8).
6. The vehicle according to claim 1, wherein the inner edge surface of the circular tube (2) is provided with an elongated slide rail arranged along the axial direction thereof, and the outer edge surface of the baffle disc (3) is provided with a sliding groove matched with the slide rail.
7. The vehicle according to claim 1, wherein a disc (27) which cannot move back and forth is rotatably mounted at the middle position of each hollow shaft (1), the outer circumferential surface of the disc (27) is fixed on the inner circumferential surface of the hollow circular tube (2), and the disc (27) equally divides the closed cavity formed by the circular tube (2), the baffle disc (3) and the hollow shaft (1) into two parts.
8. An asphalt pavement curing agent spraying vehicle according to claim 3, characterized in that a pull rod (28) is fixed on the outer side of each cross bar (20) through a pin shaft, and the other ends of the two pull rods (28) are connected through a connecting rod (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811178745.1A CN109235198B (en) | 2018-10-10 | 2018-10-10 | Asphalt pavement curing agent spraying vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811178745.1A CN109235198B (en) | 2018-10-10 | 2018-10-10 | Asphalt pavement curing agent spraying vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109235198A CN109235198A (en) | 2019-01-18 |
| CN109235198B true CN109235198B (en) | 2020-10-23 |
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ID=65055583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811178745.1A Active CN109235198B (en) | 2018-10-10 | 2018-10-10 | Asphalt pavement curing agent spraying vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109235198B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114150558B (en) * | 2021-11-29 | 2023-03-14 | 山东交通学院 | Pavement curing agent spreading device and method |
| CN116623516B (en) * | 2023-06-08 | 2023-10-27 | 山东林民公路材料有限公司 | Asphalt pavement maintenance device and method |
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|---|---|---|---|---|
| US1397045A (en) * | 1921-11-15 | Apparatus fob | ||
| US2974873A (en) * | 1960-05-03 | 1961-03-14 | Walter B Joslyn | Coating applying machine |
| CN201873930U (en) * | 2010-11-26 | 2011-06-22 | 内蒙古高等级公路建设开发有限责任公司公路建设工程项目管理第四分公司 | Atomization spraying machine of maintenance agent for concrete pavement |
| CN102444075A (en) * | 2011-11-21 | 2012-05-09 | 陕西长大实业有限公司 | Bushing-type asphalt distribution device and paver |
| CN206752260U (en) * | 2017-05-18 | 2017-12-15 | 江苏西尔玛道路环保材料有限公司 | A kind of highway maintenance sprays materials car |
| CN107503272A (en) * | 2017-07-31 | 2017-12-22 | 南丹县交通运输局 | Sealing compound distributor |
| CN108004892A (en) * | 2017-12-11 | 2018-05-08 | 合肥霞康电子商务有限公司 | A kind of road maintenance agent flusher |
| CN207793823U (en) * | 2018-01-16 | 2018-08-31 | 于艳霞 | A kind of asphalt pavement maintanance truck |
-
2018
- 2018-10-10 CN CN201811178745.1A patent/CN109235198B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1397045A (en) * | 1921-11-15 | Apparatus fob | ||
| US2974873A (en) * | 1960-05-03 | 1961-03-14 | Walter B Joslyn | Coating applying machine |
| CN201873930U (en) * | 2010-11-26 | 2011-06-22 | 内蒙古高等级公路建设开发有限责任公司公路建设工程项目管理第四分公司 | Atomization spraying machine of maintenance agent for concrete pavement |
| CN102444075A (en) * | 2011-11-21 | 2012-05-09 | 陕西长大实业有限公司 | Bushing-type asphalt distribution device and paver |
| CN206752260U (en) * | 2017-05-18 | 2017-12-15 | 江苏西尔玛道路环保材料有限公司 | A kind of highway maintenance sprays materials car |
| CN107503272A (en) * | 2017-07-31 | 2017-12-22 | 南丹县交通运输局 | Sealing compound distributor |
| CN108004892A (en) * | 2017-12-11 | 2018-05-08 | 合肥霞康电子商务有限公司 | A kind of road maintenance agent flusher |
| CN207793823U (en) * | 2018-01-16 | 2018-08-31 | 于艳霞 | A kind of asphalt pavement maintanance truck |
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| Publication number | Publication date |
|---|---|
| CN109235198A (en) | 2019-01-18 |
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