CN109024187B - Electrical heating asphalt conveying and spraying system and slurry seal vehicle thereof - Google Patents
Electrical heating asphalt conveying and spraying system and slurry seal vehicle thereof Download PDFInfo
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- CN109024187B CN109024187B CN201811183229.8A CN201811183229A CN109024187B CN 109024187 B CN109024187 B CN 109024187B CN 201811183229 A CN201811183229 A CN 201811183229A CN 109024187 B CN109024187 B CN 109024187B
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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
- E01C19/45—Portable apparatus for preparing, or for preparing and applying to the road, compound liquid binders, e.g. emulsified bitumen, fluxed asphalt
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Abstract
The invention discloses an electric heating asphalt conveying and spraying system which comprises an engine, a hydraulic pump, a hydraulic motor, a spraying beam, a generator and an electric heating rod, wherein the engine is connected with the hydraulic pump; engine drive hydraulic pump is connected to hydraulic motor, hydraulic motor drive generator supplies power to the electrical heating rod, the electrical heating rod converts the electric energy into the heat, an emulsified asphalt for heating in the asphalt box, spray the roof beam surface and lay the electrical heating area, the electrical heating area passes to the roof beam that sprays through the heat transfer and heats, detect the emulsified asphalt temperature through temperature sensor, make emulsified asphalt reach the state of spraying, when spraying emulsified asphalt breakdown of emulsion in the roof beam, but the independent heating sprays the roof beam and dredges and spray the roof beam. The electric heating asphalt conveying and spraying system provided by the invention converts energy into electric energy by utilizing the engine-hydraulic system-engine, and heats the asphalt tank and the spraying beam through the electric heating rod and the electric heating belt, and has the advantages of simple structure, simplicity in control, high heating efficiency and the like.
Description
Technical Field
The invention relates to an electric heating asphalt conveying and spraying system and a slurry seal vehicle thereof, belonging to the technical field of seal.
Background
At present, a slurry seal car is used as an asphalt pavement maintenance vehicle, and the principle of the slurry seal car is that aggregate, emulsified asphalt, water, a filler and an additive are conveyed to a stirrer according to a certain proportion and are uniformly mixed to form a flowing emulsified asphalt mixture, and the flowing emulsified asphalt mixture is input into a paving box and paved on a pavement to repair the pavement, improve the flatness of the pavement, improve the skid resistance of the pavement and prolong the service life of the pavement.
Because the traditional micro-surfacing has poor cohesiveness with the original pavement, diseases such as peeling and the like easily occur after the traditional micro-surfacing is used for a period of time, and simultaneously because of the problem of asphalt content, the mixed material layer after paving is easy to have insufficient performances in the aspects of tensile strength, shear resistance, compression resistance and the like. Therefore, a system for synchronously spraying the super-viscous emulsified asphalt is added on the basis of the original slurry seal vehicle, a bonding layer can be added between the old pavement and the newly paved pavement to enhance bonding, and the service life of the paved pavement is prolonged by 1.5 times.
At present, the existing asphalt heating generally adopts a burner to heat conduction oil, a conduction oil pump drives the circulation of the conduction oil, and a conduction oil coil is arranged in an asphalt tank and a spray beam to heat the asphalt by transferring heat through the conduction oil. The heat-conducting oil heating system has the advantages of complex structure, high cost and high failure rate.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an electric heating asphalt conveying and spraying system which is simple in structure, convenient to control and high in heating efficiency.
The invention also provides a slurry seal vehicle provided with the electric heating asphalt conveying and spraying system.
In order to achieve the purpose, the invention adopts an electric heating asphalt conveying and spraying system, which comprises an engine, a hydraulic pump, a hydraulic motor, a spraying beam, a generator and an electric heating rod;
the engine drive hydraulic pump is connected to hydraulic motor, hydraulic motor drive generator supplies power to the electrical heating rod, and the electrical heating rod converts the electric energy into the heat for the emulsified asphalt in the heating asphalt box, spray the roof beam surface and lay the electrical heating area, the electrical heating area passes to the roof beam that sprays through the heat transfer and heats, detects the emulsified asphalt temperature through temperature sensor, makes emulsified asphalt reach the state of spraying of can spraying, when spraying the demulsification of emulsified asphalt in the roof beam, but the isolated heating sprays the roof beam and dredges and spray the roof beam.
As an improvement, the electric heating rods comprise a long electric heating rod arranged at the front end of the asphalt box body and a short electric heating rod arranged at the tail part of the asphalt box body, and the long electric heating rod and the short electric heating rod are used for heating emulsified asphalt in different areas;
temperature sensor before long electrical heating stick one side is installed, back temperature sensor is installed to one side of short electrical heating stick, preceding, back temperature sensor are used for real-time detection emulsified asphalt temperature.
As an improvement, the engine drives the hydraulic pump to further drive the first hydraulic motor, the first hydraulic motor drives the generator through the coupler to convert power into 380V electric energy, and emulsified asphalt in the asphalt box body is heated through the long electric heating rod and the short electric heating rod.
As an improvement, the spraying beam comprises a left spraying beam and a right spraying beam which have the same structure; the input port all sets up in each spray roof beam middle part on left side spray roof beam, the right side sprays the roof beam, all sets up two pipelines spacing on spraying the roof beam, and the output is connected to the connecting pipe and is divided pipe and spray roof beam inlet joint, forms the C type and arranges, and the connecting pipe can be in the same direction as smooth removal when spraying the roof beam and stretching out and drawing back.
As an improvement, the spraying beam is driven by a large-torque low-rotation-speed hydraulic motor, is driven by a gear rack, is made to stretch, and is detected by a positioning sensor on the main beam to form a position marker post on the spraying beam, so that the control system can accurately adjust the width of the spraying beam.
As an improvement, the spraying beam comprises a left spraying beam and a right spraying beam which have the same structure;
short slider, rack and long slider weld in proper order on the rear end face of left side spray roof beam, short slider and long slider are H type guide slot, left side spray roof beam relies on short slider and long slider to place on the guide rail of girder down, and hydraulic motor three is installed at the intermediate position of last girder, and bolt, clamp plate are fixed the gear on hydraulic motor three, and the upper and lower linear guide of going up girder and girder down will spray the roof beam on a left side fixedly, and the gear carries out power transmission with the rack toothing.
As an improvement, a bracket is welded on the upper main beam, a positioning sensor is installed on the bracket, when the spray beam is in the shortest width, the positioning sensor detects a first signal point on the left side of the position marker post, when the left spray beam extends outwards, the positioning sensor sequentially detects other signal points until the spray beam extends to the widest position, and the positioning sensor detects a first signal point on the right side of the position marker post;
when the width of the spraying beam is input into the control system, the hydraulic motor drives the gear and the rack to move the left spraying beam, and when the positioning sensor detects a certain signal point of the position marker post corresponding to the width of the spraying beam during movement, the control system stops the hydraulic motor from rotating three times to realize the width control of the spraying beam.
As an improvement, a layer of glass fiber woven electric heating tape with the width of 5mm is wound on the outer side of the pipe wall of the spraying beam, a heat insulation layer covers the outer side of the electric heating tape, and the heat insulation layer is fixed by a shaping plate.
As an improvement, a temperature measuring sensor is arranged in the middle of the left spraying beam and used for measuring the temperature of emulsified asphalt in the left spraying beam, a temperature signal is transmitted to a control system, the heating temperature is set through the control system, and the starting of an electric heating belt is controlled according to a feedback signal of the temperature measuring sensor to form closed-loop control.
In addition, the invention also provides a slurry seal vehicle which comprises a chassis, wherein the chassis is provided with a vehicle frame, and the vehicle frame is provided with an engine, a hydraulic pump, an electromagnetic valve group, a control system, a spray beam, a generator and a thermal emulsified asphalt system;
the engine is located the middle part of frame, and the afterbody of engine is installed the hydraulic pump, the spray beam relies on the promotion section of thick bamboo of the left and right sides to hang and installs in the below of frame, the generator is located the left rear side of frame, hot emulsified asphalt system installs the right side at the frame.
Compared with the prior art, the electric heating asphalt conveying and spraying system provided by the invention has the advantages that the energy is converted into the electric energy by utilizing the engine-hydraulic system-engine, the asphalt tank and the spraying beam are heated by the electric heating rod and the electric heating belt, the structure is simple, the control is simple, the heating efficiency is high, and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a conveying structure of hot asphalt according to the present invention;
FIG. 3 is a schematic view of the structure of the spray bar of the present invention;
FIG. 4 is a view from the B-B direction of FIG. 3;
FIG. 5 is a schematic view of the structure of the left spray beam of the present invention;
in the figure: 1. chassis, 2, engine, 3, hydraulic pump, 4, electromagnetic valve group, 5, frame, 6, spray beam, 7, control system, 8, generator, 9, coupling, 10, hydraulic motor I, 11, thermal emulsified asphalt system, 12, long electric heating rod, 13, asphalt box, 14, normally closed angle seat valve I, 15, short electric heating rod, 16, normally closed angle seat valve II, 17, hydraulic motor II, 18, gear pump, 19, normally closed angle seat valve III, 20, asphalt output main pipe, 21, normally closed angle seat valve IV, 22, front temperature sensor, 23, rear temperature sensor, 24, asphalt return pipe, 25, tee, 26, rear delivery pipe, 27, front delivery pipe, 28, front output branch pipe, 29, rear output branch pipe, 30, left front hose, 31, left rear hose, 32, left spray beam, 33, left rear joint, 34, left front joint, 35, lifting cylinder, 36. the device comprises a lifting cylinder, 37, a right spraying beam, 38, a nozzle assembly, 39, a positioning sensor, 40, a support, 41, a shaping plate, 42, a heat insulation layer, 43, an electric heating belt, 44, an upper main beam, 45, a hydraulic motor III, 46, a gear, 47, a pressure plate, 48, a bolt, 49, a lower main beam, 50, an outer limiting block, 51, a pipe limiting I, 52, a temperature measuring sensor, 53, a pipe limiting II, 54, a position marker post, 55, an inner limiting block, 56, a short sliding block, 57, a rack, 58 and a long sliding block.
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. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in fig. 1, a slurry seal vehicle comprises a chassis 1, a frame 5 is assembled on the chassis 1, all upper parts are borne on the frame 5, an engine 2 is positioned in the middle of the frame 5, a hydraulic pump 3 is installed at the tail of the engine 2, and an electromagnetic valve group 4, a control system 7, a spray beam 6, a generator 8 and a thermal emulsified asphalt system 11 are sequentially installed on the frame 5;
the spraying beam 6 is suspended and installed below the frame 5 by means of lifting cylinders 36 on the left side and the right side, the generator 8 is located on the left rear side of the frame 5, and the thermal emulsified asphalt system 11 is installed on the right side of the frame 5.
The engine 2 drives the hydraulic pump 3, and then drives the hydraulic motor 10, the hydraulic motor 10 drives the generator 8 through the coupler 9, energy conversion is 380V electric energy, emulsified asphalt in the asphalt box 13 is heated through the long electric heating rod 12 and the short electric heating rod 15, and simultaneously, the emulsified asphalt in the heating pipe can be closed through the electric heating belt on the surface of the spray beam 6.
In the thermal emulsified asphalt system 11, a long electric heating rod 12 is arranged at the front part of an asphalt box body 13, a short electric heating rod 15 is arranged at the tail part of the asphalt box body and is used for heating emulsified asphalt in different areas, so that the heating speed is convenient to accelerate, a front temperature sensor 22 is arranged at one side of the long electric heating rod 12, a rear temperature sensor 23 is arranged at one side of the short electric heating rod 15, and the front temperature sensor and the rear temperature sensor are used for detecting the temperature of the emulsified asphalt in real time;
an emulsified asphalt pipeline is connected with a normally closed angle seat valve I14 through a box body 13, a hydraulic motor II 17 drives a gear pump 18 to be used for conveying emulsified asphalt, the gear pump 18 is connected with an asphalt output main pipe 20, the right end of the asphalt output main pipe 20 is sequentially connected with a normally closed angle seat valve III 19, a front row conveying pipe 27, a front output branch pipe 28, a left front hose 30 and a left front connector 34 to be communicated with the inside of a left spraying beam 32 and then connected into a rear output branch pipe 29 through a left rear connector 33 and a left rear hose 31, the pipeline connected to the right spray beam 37 has the same direction as that on the left spray beam 32, and then the pipeline is connected to a rear output branch pipe 29, passes through a rear row conveying pipe 26 together with emulsified asphalt obtained in the left spray beam 32 and is connected to a tee joint 25, one path of the tee joint 25 is connected back to the box body 13 through an asphalt return pipe 24 and a normally closed angle seat valve I14, and the other path of the tee joint 25 returns to the asphalt output main pipe 20 through a normally closed angle seat valve IV 21.
In addition, the control of the hot emulsified asphalt system 11 is that the upper and lower limits of the temperature of the emulsified asphalt are set in the control system 7, the temperature of the emulsified asphalt in the asphalt box 13 is detected in real time by the temperature sensor 22 and the rear temperature sensor 23, when the front temperature sensor 22 and the rear temperature sensor 23 in the asphalt box 13 detect that the temperature of the emulsified asphalt is lower than the lower limit temperature, the electric heating rods in the corresponding areas are started to heat, and when the front temperature sensor 22 and the rear temperature sensor 23 in the asphalt box 13 detect that the temperature of the emulsified asphalt reaches the upper limit temperature, the electric heating rods in the corresponding areas stop heating. The temperature of the emulsified asphalt in the asphalt box body 13 is kept consistent by reasonably arranging the heating positions. The thermal emulsified asphalt system 11 is in three states of heating, pre-spraying and spraying by controlling the opening of four angle seat valves, as shown in fig. 2 and fig. 3, which are respectively:
heating mode: opening a first normally closed angle seat valve 14, a second normally closed angle seat valve 16 and a fourth normally closed angle seat valve 21, closing the fourth normally closed angle seat valve 21 and a nozzle assembly 38, driving emulsified asphalt by a gear pump 18 to circulate back to the box body 13 through an asphalt output main pipe 20 and an asphalt return pipe 24, realizing asphalt circulation in the box body, and enabling the asphalt to be heated uniformly and quickly during heating;
pre-spraying mode: opening a first normally closed angle seat valve 14, a second normally closed angle seat valve 16 and a third normally closed angle seat valve 19, closing a fourth normally closed angle seat valve 21 and a nozzle assembly 38, returning emulsified asphalt to a rear output branch pipe 29 through a gear pump 18, an asphalt output main pipe 20, a front row conveying pipe 27, a front output branch pipe 28, a left front hose 30, a left front connector 34, a left spray beam 32, a left rear connector 33 and a left rear hose 31, converging the flow in the right spray beam 37 and the flow in the left spray beam 32 finally through the output branch pipe 29, and returning the emulsified asphalt to an asphalt box body 13 through the rear row conveying pipe 26 to realize pre-spraying and prepare for spraying the emulsified asphalt;
and (3) spraying mode: opening a first normally-closed angle seat valve 14, a second normally-closed angle seat valve 16, a third normally-closed angle seat valve 19 and a nozzle assembly 38, closing a fourth normally-closed angle seat valve 21, dividing emulsified asphalt into two paths through a gear pump 18, an asphalt output main pipe 20, a front row conveying pipe 27 and a front output branch pipe 28, enabling one path to enter a left spraying beam 32 through a left front hose 30 and a left front joint 34, enabling one path to enter the left spraying beam 32 through a left rear hose 31 and a left rear joint 33, enabling the two paths to simultaneously convey the emulsified asphalt to the left spraying beam 32, and ensuring that the spraying beams spray uniformly; the emulsified asphalt flows in the right spray beam 37 in the same direction as in the left spray beam 32.
The emulsified asphalt pipeline is connected to a left front joint 34 and a left rear joint 33 of a left spray beam 32 from the left end of a front output branch pipe 28 and the left end of a rear output branch pipe 29 through a left front hose 30 and a left rear hose 31, because the diameters of the left front hose 30 and the left rear hose 31 reach 60mm, the bending radius is large, and the hoses need to move telescopically along with the spray beam, the invention concentrates input ports at two ends of the left spray beam 32 at one end at the right side of the left spray beam 32, the left front joint 34 and the left rear joint 33 are in the horizontal left side direction, an outlet port at the left end of the front output branch pipe 28 and an outlet port at the left end of the rear output branch pipe 29 are positioned above the left spray beam 32 at the height of 600mm and are weighed in the horizontal outward side direction, a pipe limit I51 and a pipe limit II 53 are arranged on the left spray beam 32 and used for supporting and limiting the positions of the left front hose 30 and the left rear hose 31 from moving, so that the, The left rear hose 31 is arranged in a C shape, which conforms to the bending radius of the pipeline, and meanwhile, when the left spray beam 32 makes telescopic motion, the C-shaped bending parts of the left front hose 30 and the left rear hose 31 can move smoothly. The hose arrangement of the right spray beam 37 is symmetrical to that of the left spray beam 32, and the structural principle is consistent.
The left spraying beam 32 and the right spraying beam 37 have the same structure of an electric heating belt, the structure of the left spraying beam 32 is explained, a layer of glass fiber woven electric heating belt 43 with the width of 5mm is wound on the outer side of the pipe wall of the left spraying beam 32, an insulating layer 42 is covered on the outer side of the electric heating belt 43, and the insulating layer 42 is fixed by a shaping plate 41; meanwhile, a temperature sensor 52 is arranged in the middle of the left spray beam 32 to measure the temperature of the emulsified asphalt in the left spray beam 32, and the temperature signal is transmitted to the control system 7. The control system 7 sets the heating temperature, controls the starting of the electric heating belt 43 according to the feedback signal of the temperature measuring sensor 52, forms closed-loop control and ensures that the emulsified asphalt can be smoothly sprayed. Meanwhile, when the nozzle is blocked after the emulsified asphalt in the left spray beam 32 is demulsified and cannot spray, the heating temperature can be increased through the control system 7, so that the internal emulsified asphalt is liquefied to reach a spraying state, and the effect of dredging the spray beam is achieved.
The left spray beam 32 and the right spray beam 37 have the same telescopic structure, the structure of the left spray beam 32 is explained, as shown in fig. 5, a short slider 56, a rack 57 and a long slider 58 are sequentially welded on the rear end face of the left spray beam 32, the short slider 56 and the long slider 58 are in an H-shaped guide groove, the left spray beam 32 is placed on a guide rail of a lower main beam 49 by virtue of the short slider 56 and the long slider 58, as shown in fig. 4, a hydraulic motor three 45 is installed at the middle position of an upper main beam 44, a bolt 48 and a pressing plate 47 fix a gear 46 on the hydraulic motor three 45, the left spray beam 32 is fixed by upper and lower linear guide rails of the upper main beam 44 and the lower main beam 49, and the gear 46 is meshed with the rack 57. The position mark pole 54 welds on left spray beam 32 in fig. 5, welds outer stopper 50 at left spray beam 32 left end, and stopper 55 in the right-hand member welding, and interior, outer stopper mainly used marks the position that left spray beam 32, also is used for preventing simultaneously that left spray beam 32 breaks away from the track. As shown in fig. 4, the positioning sensor 39 is installed on the welding bracket 40 near the middle position of the upper main beam 44, when the spray beam 6 is in the shortest width, the positioning sensor 39 detects the first signal point on the left side of the position marker post 54, and when the spray beam 32 extends outward, the positioning sensor 39 sequentially detects the rest signal points until the spray beam 6 extends to the widest position, and the positioning sensor 39 detects the first signal point on the right side of the position marker post 54. When the width of the spray beam 6 is input into the control system 7, the hydraulic motor III 45 drives the gear 46 and the rack 57 to move the left spray beam 32, and when the positioning sensor 39 detects a certain signal point of the position marker 54 corresponding to the width of the spray beam 6 in the moving process, the hydraulic motor III stops rotating at the control system 7, so that the width of the spray beam 6 is accurately controlled.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. An electric heating asphalt conveying and spraying system is characterized by comprising an engine (2), a hydraulic pump (3), a hydraulic motor, a spraying beam (6), a generator (8) and an electric heating rod;
the engine (2) drives the hydraulic pump (3) to be connected to the hydraulic motor, the hydraulic motor drives the generator (8) to supply power to the electric heating rod, the electric heating rod converts electric energy into heat for heating emulsified asphalt in the asphalt box body (13), an electric heating belt (43) is laid on the outer surface of the spraying beam (6), the electric heating belt (43) transfers the heat to the spraying beam (6) through heat transfer for heating, the temperature of the emulsified asphalt is detected through a temperature sensor, the emulsified asphalt is enabled to reach a spraying state, and when the emulsified asphalt in the spraying beam (6) is demulsified, the spraying beam (6) can be independently heated to dredge the spraying beam (6);
a layer of glass fiber woven electric heating tape (43) with the width of 5mm is wound on the outer side of the pipe wall of the spraying beam (6), a heat insulation layer (42) covers the outer side of the electric heating tape (43), and the heat insulation layer (42) is fixed by a shaping plate (41);
the temperature measurement sensor (52) is arranged in the middle of the left spraying beam (32), the temperature measurement sensor (52) is used for measuring the temperature of emulsified asphalt in the left spraying beam (32), transmitting a temperature signal to the control system (7), setting the heating temperature through the control system (7), and controlling the starting of the electric heating belt (43) according to a feedback signal of the temperature measurement sensor (52) to form closed-loop control.
2. An electrically heated asphalt conveying and spraying system according to claim 1, wherein the electrically heated rods comprise a long electrically heated rod (12) arranged at the front end of the asphalt box body (13), and a short electrically heated rod (15) arranged at the tail end of the asphalt box body (13), and the long and short electrically heated rods (12, 15) are used for heating emulsified asphalt in different areas;
temperature sensor (22) before long electrical heating stick (12) one side is installed, back temperature sensor (23) are installed to one side of short electrical heating stick (15), preceding, back temperature sensor (22, 23) are used for real-time detection emulsified asphalt temperature.
3. An electrically heated asphalt conveying and spraying system according to claim 2, characterized in that the engine (2) drives the hydraulic pump (3) and further drives the first hydraulic motor (10), the first hydraulic motor (10) drives the generator (8) through the coupling (9), the power is converted into 380V electric energy, and the emulsified asphalt in the asphalt box body (13) is heated through the long electric heating rod (12) and the short electric heating rod (15).
4. An electrically heated asphalt conveying sprinkler system according to claim 1, characterised in that said sprinkler beam (6) comprises a left sprinkler beam (32), a right sprinkler beam (37) of identical construction;
the input port all sets up in each spray roof beam middle part on left side spray roof beam (32), right side spray roof beam (37), and it is spacing all to set up two pipelines on spraying the roof beam, and the connecting pipe is connected output and is divided the pipe and spray roof beam inlet connection, forms the C type and arranges, and the connecting pipe can be in the same direction as smooth removal when spraying the roof beam and stretching out and drawing back.
5. The electrically heated asphalt conveying and spraying system according to claim 1, wherein the spraying beam (6) is driven by a high-torque low-rotation-speed hydraulic motor, the spraying beam (6) is made to extend and retract through gear and rack transmission, and a position marker post (54) on the spraying beam (6) is detected through a positioning sensor on the main beam, so that the control system (7) can accurately adjust the width of the spraying beam.
6. An electrically heated asphalt conveying sprinkler system according to claim 5, characterised in that said sprinkler beam (6) comprises a left sprinkler beam (32) and a right sprinkler beam (37) of identical structure;
short slider (56), rack (57) and long slider (58) of welding in proper order on the rear end face of left side spray roof beam (32), short slider (56) and long slider (58) are H type guide slot, left side spray roof beam (32) rely on short slider (56) and long slider (58) to place on the guide rail of girder (49) down, and hydraulic motor three (45) are installed in the intermediate position of last girder (44), and bolt (48), clamp plate (47) are fixed gear (46) on hydraulic motor three (45), and the upper and lower linear guide of last girder (44) and girder (49) down sprays roof beam (32) fixedly on a left side, and gear (46) and rack (57) meshing carry out power transmission.
7. The electrically heated asphalt conveying and spraying system according to claim 6, wherein a bracket (40) is welded on the upper main beam (44), a positioning sensor (39) is installed on the bracket (40), when the spraying beam (6) is in the shortest width, the positioning sensor (39) detects the first signal point on the left side of the position marker post (54), in the process that the left spraying beam (32) extends outwards, the positioning sensor (39) sequentially detects the rest signal points, and until the spraying beam (6) extends to the widest position, the positioning sensor (39) detects the first signal point on the right side of the position marker post (54);
when the width of the spraying beam (6) is input into the control system (7), the hydraulic motor III (45) drives the gear (46) and the rack (57) to move the left spraying beam (32), and when the positioning sensor (39) detects a certain signal point of the position marker post (54) corresponding to the width of the spraying beam (6) during movement, the control system (7) stops the rotation of the hydraulic motor III (45) to realize the width control of the spraying beam (6).
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| CN201811183229.8A CN109024187B (en) | 2018-10-11 | 2018-10-11 | Electrical heating asphalt conveying and spraying system and slurry seal vehicle thereof |
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| CN201811183229.8A CN109024187B (en) | 2018-10-11 | 2018-10-11 | Electrical heating asphalt conveying and spraying system and slurry seal vehicle thereof |
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| CN109024187B true CN109024187B (en) | 2020-09-01 |
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| CN102086625A (en) * | 2010-09-29 | 2011-06-08 | 南通东南公路工程有限公司 | Vehicle-mounted multifunctional multi-pipeline high-performance asphalt distribution equipment |
| CN202227239U (en) * | 2011-08-24 | 2012-05-23 | 浙江美通筑路机械股份有限公司 | Hydraulic-driven telescopic asphalt spraying device |
| CN102644227A (en) * | 2012-05-15 | 2012-08-22 | 浙江美通筑路机械股份有限公司 | Inner double circulation runner type stretchable pitch sprinkling device |
| US9340931B2 (en) * | 2013-09-10 | 2016-05-17 | Fermi Research Alliance, Llc | Method and system for in-situ cross linking of polymers, bitumen and similar materials to increase strength, toughness and durability via irradiation with electron beams from mobile accelerators |
| CN203795278U (en) * | 2014-03-19 | 2014-08-27 | 河南高远公路养护设备股份有限公司 | Asphalt spraying vehicle with folding and swinging asphalt spraying frame |
| CN204491368U (en) * | 2014-12-31 | 2015-07-22 | 中国公路工程咨询集团有限公司 | A kind of asphalt paving device |
| CN204570588U (en) * | 2015-03-23 | 2015-08-19 | 张猛刚 | Snow melt transport vehicle |
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