CN114960346B

CN114960346B - Asphalt melting device for municipal road engineering

Info

Publication number: CN114960346B
Application number: CN202210628897.7A
Authority: CN
Inventors: 李雪松; 林景兴; 秦尧; 李孝然; 杨伊蕾
Original assignee: Beijing Municipal Construction Co Ltd
Current assignee: Beijing Municipal Construction Co Ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2023-05-19
Anticipated expiration: 2042-06-06
Also published as: CN114960346A

Abstract

The invention is suitable for the technical field of municipal road engineering equipment, and provides an asphalt melting device for municipal road engineering, which comprises a box body and a crushing unit arranged in the box body, wherein the crushing unit is used for crushing asphalt to be melted, the crushing unit comprises a crushing roller, a power part, a crushing part, an adjusting mechanism and a plate body, the asphalt melting device for municipal road engineering also comprises a heating unit used for heating and melting the crushed asphalt, the heating unit comprises a stirring shaft, a stirring rod and a temperature part, and also comprises a threaded rod, a bevel gear, a conical fluted disc, a movable plate, a second connecting rod and a third connecting rod; be equipped with heating element, fly leaf, third connecting rod and second connecting rod motion in-process for pitch is better to be heated, has further improved and has melted efficiency.

Description

Asphalt melting device for municipal road engineering

Technical Field

The invention belongs to the technical field of municipal road engineering equipment, and particularly relates to an asphalt melting device for municipal road engineering.

Background

Municipal infrastructure refers to various buildings, structures, equipment, etc. which are arranged in the planning construction range of urban areas and towns (villages), and provide paid or gratuitous public products and services for residents based on government responsibility and obligations. The construction of various public infrastructures matched with urban life belongs to the category of municipal engineering;

in municipal road engineering, asphalt is a commonly used material, after being melted, the asphalt is paved on a road, and before being melted, the asphalt is crushed, so that the asphalt is melted by heating;

chinese patent CN215629153U discloses a pitch melts recovery unit, including mounting plate, mounting bracket, mount pad, compounding mechanism and crushing mechanism, the intermediate position of mounting plate is crooked downwards, fixedly connected with compounding mechanism on the surface of mounting plate crooked position, the upper surface fixedly connected with mounting bracket of mounting plate border position, the upper end fixedly connected with mount pad of mounting bracket, be connected with crushing mechanism on the mount pad, crushing mechanism contains crushing box, crushing roller, drive gear, crushing motor and protecting cover, the upper end of crushing box is uncovered form, crushing box lower extreme fixed connection is in the mount pad upper end, the inside rotation of crushing box is connected with two crushing rollers, the surface of crushing box is worn out to the tip of crushing roller.

Chinese patent CN216141491U discloses a stirring device for asphalt melting, comprising a machine body, wherein the machine body is fixedly installed on a base, the top end of the machine body is provided with a feed hopper, the inside of the feed hopper is fixedly provided with a crushing roller, the outer side wall of the machine body is fixedly provided with a motor bracket, the motor bracket is fixedly provided with a motor, the output end of the motor is connected with a rotating shaft, a stirring impeller is arranged on the rotating shaft, the bottom of the base is fixedly provided with a roller device, the roller device comprises a shell, a chute is formed in the shell, a fixed pressing block is installed in the chute, a positioning shaft is arranged in the fixed pressing block, the rotating shaft is installed in the positioning shaft, the center of the roller is provided with a spring, the upper part of the fixed pressing block is positioned in the chute, the inner wall of the machine body is fixedly provided with a heating module, and the inside of the machine body is fixedly provided with a temperature sensor;

chinese patent CN112523034a discloses a highway engineering is with pitch melting device, including a jar body, broken groove and stirred tank, the jar body is cuboid structure and installs the feeder hopper at the top, the blast pipe is installed to the side of feeder hopper, the inside of blast pipe is provided with the ventilation groove, the internally mounted of ventilation groove has the filter, the feed chute has been seted up to the inside of feeder hopper, the feed chute communicates with the broken groove that sets up in the jar body inside, two backup pads are installed to the symmetry on the inner wall of broken groove, a plurality of broken poles are installed to equidistant on the side terminal surface in backup pad opposite directions, broken groove communicates with the stirred tank that sets up in jar body bottom, the baffle of U type structure is installed to the intercommunication department of stirred tank and broken groove, the logical groove has been seted up to the middle part of baffle;

in the above patent, most of the asphalt is crushed by using two or more simple crushing rollers, but if the asphalt is relatively large or large in quantity, the crushing rollers directly crush the large asphalt into small fragments, the reaction force applied to the crushing rollers is large, overload of equipment or damage to the crushing units is easily caused, and the service life is influenced.

Disclosure of Invention

The invention provides an asphalt melting device for municipal road engineering, which aims to solve the problems.

The invention is realized in this way, an asphalt melting device for municipal road engineering, including box and the crushing unit that locates in the box, the crushing unit is used for breaking to-be-melted asphalt, the crushing unit includes:

two side-by-side spaced crushing rollers arranged in a crushing cavity of the box body are rotated, the side wall of the crushing cavity is arc-shaped, a feed opening is arranged at the bottom of the crushing cavity, and a screen is arranged in the feed opening;

the power component is used for driving the two crushing rollers to rotate;

multiple groups of crushing components which are arranged on the side wall of the crushing roller at intervals along the length direction of the crushing roller, each group of crushing members comprises a plurality of crushing column teeth which are arranged at intervals in the circumferential direction, and the crushing column teeth movably penetrate through the side wall of the crushing roller and extend into the crushing roller;

the adjusting mechanism is used for adjusting the length of the crushing column teeth extending out of the crushing roller;

the annular space is installed the polylith plate body on the lateral wall of crushing roller, and the plate body can laminate with the lateral wall of crushing chamber for transport the pitch of crushing chamber bottom to crushing chamber top.

Preferably, the power component comprises:

the first motor is fixed on the side wall of the box body and is used for driving any crushing roller to rotate;

and the spur gears are fixed on the mounting shafts of the crushing rollers, and the spur gears on the two crushing rollers are meshed.

Preferably, the adjusting mechanism includes:

the adjusting shafts are concentrically and rotatably arranged on each crushing roller, a plurality of connecting discs are fixedly arranged on the adjusting shafts along the length direction of the adjusting shafts, and the number of the connecting discs is equal to that of the crushing pieces and corresponds to that of the crushing pieces one by one;

the first connecting rods are eccentrically hinged to the connecting plates, the number of the first connecting rods on each connecting plate is equal to that of the crushing column teeth of each group of crushing pieces and corresponds to that of the crushing column teeth of each group of crushing pieces one by one, and one end of each first connecting rod is hinged to the end part of the corresponding crushing column tooth positioned in the crushing roller;

and the driving part is used for driving the adjusting shaft to rotate.

Preferably, the driving part includes:

the single-stage flywheel is fixedly arranged at one end of the adjusting shaft extending to the outside of the box body;

the double-sided rack is slidably arranged on the side wall of the box body and positioned between the two single-stage flywheels, and the double-sided rack is meshed with the two single-stage flywheels;

the fourth motor is fixed on the side wall of the box body, an output shaft of the fourth motor is fixedly provided with an adjusting screw rod, and the adjusting screw rod penetrates through the double-sided rack along the length direction of the double-sided rack and is in threaded connection with the double-sided rack;

the fourth motor and the first motor are electrically connected with the controller, the controller controls the fourth motor to intermittently start, and the controller controls the fourth motor to be opposite to the first motor in working state.

Preferably, still include heating element for the heating after melting broken pitch, heating element locates the heating intracavity of box, feed opening and heating chamber intercommunication, heating element includes:

the stirring shaft is horizontally rotatably arranged in the box body, one end of the stirring shaft is connected with a second motor for driving the stirring shaft to rotate, and the second motor is fixed on the outer side wall of the box body;

the stirring shafts and the stirring rods are internally provided with heating wires, and a temperature sensor is arranged in the heating cavity;

and the temperature component is connected with the electric heating wire and the temperature sensor and is used for regulating and controlling the temperature in the heating cavity.

Preferably, the stirring shaft is close to the shaft section of box one side inner wall and rotates and install the threaded rod, the threaded rod sets up perpendicularly with the stirring shaft, and the one end that the stirring shaft was kept away from to the threaded rod is fixed with bevel gear, be fixed with on the box inner wall with bevel gear meshing's awl tooth dish, threaded connection has the fly leaf on the threaded rod, has offered the perforation that supplies the puddler to pass on the fly leaf, it has the second connecting rod to articulate respectively on a plurality of puddlers of fly leaf one side to keep away from to the stirring shaft, articulated on the fly leaf have the third connecting rod equal and one-to-one with second connecting rod quantity, third connecting rod one end is articulated with the second connecting rod.

Preferably, a filter screen is fixed below the heating cavity in the box body, the filter screen is in an upward convex arc shape, two ends of the filter screen on two side walls of the box body are provided with slag discharge ports, and a valve is arranged on each slag discharge port.

Preferably, be located the filter screen below in the box and be the heat preservation chamber, be equipped with the heat preservation subassembly in the heat preservation chamber, the heat preservation subassembly includes:

an electric heating plate rotatably arranged in the heat preservation cavity, wherein one end of the electric heating plate is connected with a third motor for driving the electric heating plate to rotate, and a plurality of through holes are uniformly formed in the electric heating plate;

the electric heating plate is electrically connected with the temperature control component through a wire, a temperature sensor is arranged in the heat preservation cavity, and the temperature sensor is electrically connected with the temperature control component.

Preferably, the discharge gate department of box bottom is equipped with the unloading subassembly, the unloading subassembly includes:

the telescopic rod is arranged right below the discharge hole and is vertically arranged;

the output shaft of the fifth motor is fixedly provided with an umbrella-shaped plate which can seal the discharge hole;

and the stirring piece is fixed on the umbrella-shaped plate and positioned in the discharge hole.

Preferably, a plurality of elastic pieces are arranged on the upper surface of the filter screen at intervals, and the top ends of the elastic pieces extend to the rotation track of the stirring rod and/or the movable plate.

Compared with the prior art, the embodiment of the application has the following main beneficial effects:

according to the asphalt melting device for the municipal road engineering, provided by the invention, the crushing unit is arranged, and comprises the crushing roller, the power part, the crushing piece, the adjusting mechanism and the plate body, so that the crushing effect is better through repeated cyclic crushing during operation, the crushing degree can be adjusted step by step, overload or damage is avoided, the crushing unit is protected, and the service life of the crushing unit is prolonged;

be equipped with heating element, heating element includes (mixing) shaft, puddler and temperature part, still includes threaded rod, bevel gear, awl fluted disc, fly leaf, second connecting rod and third connecting rod, and fly leaf, third connecting rod and second connecting rod motion in-process, stirring position, angle change have enlarged working range for pitch is better to be heated, has further improved and has melted efficiency.

Drawings

FIG. 1 is a schematic view of an embodiment 1 of an asphalt melting device for municipal road works;

fig. 2 is an enlarged view at a in fig. 1;

FIG. 3 is a left side view of an embodiment 1 of an asphalt melting device for municipal road works;

FIG. 4 is a schematic diagram of the combination of a double-sided rack and a single-stage flywheel in an embodiment 1 of an asphalt melting device for municipal road engineering provided by the invention;

FIG. 5 is a schematic view of an embodiment 2 of an asphalt melting device for municipal road works;

FIG. 6 is an enlarged view at B in FIG. 5;

fig. 7 is a schematic view of installation of an elastic member in embodiment 2 of an asphalt melting apparatus for municipal road works.

Reference numerals annotate: 1. a case; 2. a slag discharge port; 3. a filter screen; 4. a stirring rod; 5. a stirring shaft; 6. a temperature component; 7. a magnet; 8. crushing the column teeth; 9. a crushing roller; 10. a first link; 11. a feed hopper; 12. a plate body; 13. a connecting disc; 14. an adjusting shaft; 15. a feed opening; 16. a second link; 17. a second motor; 18. a third link; 19. a threaded rod; 20. conical fluted disc; 21. bevel gears; 22. a movable plate; 23. a through hole; 24. a third motor; 25. an electric heating plate; 26. a telescopic rod; 27. a fifth motor; 28. an umbrella-shaped plate; 29. adjusting a screw; 30. double-sided racks; 31. a single-stage flywheel; 32. an infrared sensor; 33. spur gears; 34. a first motor; 35. an elastic member.

Detailed Description

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 application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Example 1

The embodiment of the invention provides an asphalt melting device for municipal road engineering, which comprises a box body 1 and a crushing unit arranged in the box body 1, as shown in fig. 1-4, wherein in the embodiment, the top of the box body 1 is provided with a feed hopper 11, the bottom of the box body 1 is provided with a discharge hole, a supporting frame is also fixed at the bottom of the box body 1, the crushing unit is used for crushing asphalt to be melted, and the crushing unit comprises:

the two side-by-side spaced crushing rollers 9 arranged in the crushing cavity of the box body 1 are rotated, asphalt can be crushed through the reverse rotation fit of the two crushing rollers 9, the side wall of the crushing cavity is arc-shaped, the circle center of the arc is preferably arranged on the axis of the crushing roller 9, a feed opening 15 is arranged at the bottom of the crushing cavity, a screen is arranged in the feed opening 15, and the screen can be fixedly arranged by adopting screws;

the power component is used for driving the two crushing rollers 9 to rotate, and the rotation directions of the two crushing rollers 9 are opposite;

the crushing device comprises a plurality of groups of crushing pieces which are arranged on the side wall of a crushing roller 9 at intervals along the length direction of the crushing roller 9, wherein each group of crushing pieces comprises a plurality of crushing column teeth 8 which are arranged at intervals in the circumferential direction, the crushing column teeth 8 movably penetrate through the side wall of the crushing roller 9 and extend into the crushing roller 9, and preferably the crushing column teeth 8 move along the radial direction of the crushing roller 9;

the adjusting mechanism is used for adjusting the length of the crushing column teeth 8 extending out of the crushing rollers 9, so that the crushing interval between the two crushing rollers 9 is adjusted, asphalt can be crushed step by step from thick to thin, and damage to the crushing rollers 9 caused by overload blocking of equipment or too large acting force is avoided;

a plurality of plate bodies 12 which are circumferentially arranged on the side wall of the crushing roller 9 at intervals, wherein the plate bodies 12 can be attached to the side wall of the crushing cavity and are used for conveying asphalt at the bottom of the crushing cavity to the top of the crushing cavity;

in a specific implementation, the plate body 12 comprises a sleeve plate and a support plate movably arranged in the sleeve plate, the sleeve plate is fixed on the side wall of the crushing roller 9, a spring is fixedly connected between the support plate and the sleeve plate, the acting force of the spring on the support plate is towards one side of the crushing roller 9, a magnet 7 is arranged on the outer side of the side wall of the crushing cavity, the magnet 7 can be magnetically attracted and matched with the support plate, when the support plate moves to the magnet 7, the support plate moves out of the sleeve plate and is attached to the side wall of the crushing cavity due to the attraction of the magnet 7 on the support plate, and after the support plate is separated from the magnet 7, the support plate is retracted into the sleeve plate under the action of the spring;

during operation, to wait to melt pitch and all add broken intracavity by the feeding, thereby drive two crushing rollers 9 through power component and rotate to wait to melt pitch and break, simultaneously, the pitch after preliminary breakage falls to broken chamber bottom, crushing roller 9 drives plate body 12 and rotates, plate body 12 drives the pitch of broken chamber bottom along broken chamber lateral wall motion to broken chamber top, then fall to between two crushing rollers 9 and break once more, and, adjust the length that broken column tooth 8 stretches out broken roller 9 outside step by step through adjustment mechanism, make pitch broken more and more thin step by step, through multiple cycle breakage, crushing effect is better, the life of broken unit has been prolonged simultaneously.

Specifically, the power component includes:

the first motor 34 fixed on the side wall of the box body 1 can be fixed with a bolt to drive any crushing roller 9 to rotate;

the spur gear 33 fixed on the installation shaft of each crushing roller 9, the spur gears 33 on the two crushing rollers 9 are meshed, the first motor 34 drives the spur gear 33 on the installation shaft of one crushing roller 9 to rotate, the spur gear 33 drives the other crushing roller 9 to rotate through the other spur gear 33, the rotation directions of the two crushing rollers 9 are opposite, and of course, the power component can also be of other structures, and can drive the two crushing rollers 9 to rotate oppositely without excessive limitation.

In a specific implementation, the adjusting mechanism includes:

the adjusting shafts 14 are concentrically and rotatably arranged on each crushing roller 9, a plurality of connecting discs 13 are fixedly arranged on the adjusting shafts 14 along the length direction of the adjusting shafts, and the number of the connecting discs 13 is equal to that of the crushing pieces and corresponds to that of the crushing pieces one by one in a welding and fixing mode;

the first connecting rods 10 are eccentrically hinged to the connecting plates 13, the number of the first connecting rods 10 on each connecting plate 13 is equal to the number of the crushing column teeth 8 of each group of crushing members and corresponds to one another, and one end of each first connecting rod 10 is hinged to the end of the corresponding crushing column tooth 8 located in the crushing roller 9;

a driving part for driving the adjusting shaft 14 to rotate;

when the crushing roller is used, the adjusting shaft 14 is driven to rotate through the driving part, the adjusting shaft 14 drives the connecting disc 13 to rotate for a certain angle, the connecting disc 13 drives the first connecting rod 10 to move, and the first connecting rod 10 drives the crushing column teeth 8 to move relative to the crushing roller 9, so that the length of the crushing column teeth 8 extending out of the crushing roller 9 is adjusted.

In this embodiment, the driving section includes:

the single-stage flywheel 31 fixedly installed at one end of the adjusting shaft 14 extending to the outside of the case 1, wherein the single-stage flywheel 31 is in the prior art, and is already applied to bicycles and the like, and will not be described in detail;

the double-sided rack 30 is slidably mounted on the side wall of the box body 1 and is positioned between the two single-stage flywheels 31, the double-sided rack 30 is meshed with the two single-stage flywheels 31, in the embodiment, the double-sided rack 30 is fixedly provided with a sliding block, and the side wall of the box body 1 is provided with a sliding groove for sliding connection of the sliding block;

the fourth motor fixed on the side wall of the box body 1 can be fixed by bolts, the fourth motor is a stepping motor, an output shaft of the fourth motor is fixedly provided with an adjusting screw 29, and the adjusting screw 29 penetrates through the double-sided rack 30 along the length direction of the double-sided rack 30 and is in threaded connection with the double-sided rack 30;

the fourth motor and the first motor 34 are both electrically connected with a controller, the controller can be a single-chip microcomputer or the like, the controller controls the fourth motor to intermittently start, for example, the controller is matched with a timer to enable the fourth motor to start to rotate by a set angle, then the fourth motor is stopped, and after a period of time, the fourth motor is started again, so that intermittent operation of the fourth motor is realized, and the working state of the fourth motor is controlled to be opposite to that of the first motor 34 through the controller; that is, when the fourth motor is in operation, the first motor 34 is stopped, when the fourth motor is stopped, the first motor 34 is in operation, further, the side wall of the box body 1 is fixedly provided with an infrared sensor 32 to play a role of stroke limitation, when the double-sided rack 30 moves to the position of the infrared sensor 32, the fourth motor is kept in a stopped state for a period of time, then rotates reversely, and drives the infrared sensor 32 to return to an initial position through the adjusting screw 29 to carry out the next crushing operation;

it can be understood that adjustment mechanism of this application can carry out the regulation of crushing degree step by step, avoids appearing overload or damage condition, has protected broken unit.

Further, still include heating element for heating melt broken pitch, heating element locates the heating intracavity of box 1, feed opening 15 and heating intracavity intercommunication, broken pitch falls into the reinforced intracavity by feed opening 15, heating element includes:

the stirring shaft 5 is horizontally rotatably arranged in the box body 1, one end of the stirring shaft 5 is connected with a second motor 17 for driving the stirring shaft to rotate, and the second motor 17 is fixed on the outer side wall of the box body 1 and can be fixed by bolts;

the stirring shafts 5 and the stirring rods 4 are vertically fixed on the stirring shaft 5, heating wires are arranged in the stirring shaft 5 and the stirring rods 4, a temperature sensor is arranged in the heating cavity, and the temperature sensor is used for monitoring the temperature in the heating cavity;

the temperature component 6 is connected with the heating wire and the temperature sensor, and is used for regulating and controlling the temperature in the heating cavity, and the heating of the set temperature can be performed in the same principle as the conventional temperature control equipment, the temperature sensor feeds back signals to the temperature component 6, the temperature component 6 controls the heating temperature of the heating wire so as to control the temperature, and the temperature can also be regulated, in the embodiment, one end of the stirring shaft 5 far away from the second motor 17 is rotationally connected with a wire, and the wire is connected with the temperature component 6;

through the heating wire, heat is outwards transmitted through (mixing) shaft 5 and puddler 4, can heat pitch, and during the heating, second motor 17 drives (mixing) shaft 5 and puddler 4 and rotates, can make pitch fully even be heated, melts fast, has improved work efficiency.

Further, a threaded rod 19 is rotatably installed on a shaft section of the stirring shaft 5, which is close to the inner wall of one side of the box body 1, the threaded rod 19 is vertically arranged with the stirring shaft 5, a bevel gear 21 is fixed at one end of the threaded rod 19, which is far away from the stirring shaft 5, a bevel gear disk 20 meshed with the bevel gear 21 is fixed on the inner side wall of the box body 1, a movable plate 22 is connected with the threaded rod 19 in a threaded manner, a through hole for the stirring rod 4 to pass through is formed in the movable plate 22, second connecting rods 16 are respectively hinged on a plurality of stirring rods 4, which are far away from one side of the movable plate 22, third connecting rods 18 which are equal in number and are in one-to-one correspondence with the second connecting rods 16 are hinged on the movable plate 22, and one end of each third connecting rod 18 is hinged with each second connecting rod 16;

during operation, the stirring shaft 5 drives the threaded rod 19 to revolve, and in the revolution process of the threaded rod 19, as the bevel gear 21 is meshed with the bevel gear disk 20, the bevel gear 21 drives the threaded rod 19 to rotate, the threaded rod 19 drives the movable plate 22 to move, the movable plate 22 drives the third connecting rod 18 to move, the third connecting rod 18 drives the second connecting rod 16 to move, and in the movement process of the movable plate 22, the third connecting rod 18 and the second connecting rod 16, the stirring position and the stirring angle are changed, so that the working range is enlarged, asphalt is heated better, and the melting efficiency is further improved.

It is to be understood that the heating cavity is connected with an exhaust pipe, and the exhaust pipe is connected with the existing air purifying equipment and is used for purifying the gas generated when asphalt is melted, so that environmental pollution is avoided;

in concrete implementation, be located heating chamber below in box 1 and be fixed with filter screen 3, filter screen 3 is protruding arc, be located filter screen 3 both ends on the wall of box 1 and seted up and arrange cinder notch 2, install the valve on arranging cinder notch 2, the accessible valve is manual to be opened and arrange cinder notch 2, filter screen 3 can filter waste residue, cobble, floccule etc. in the pitch, improves the quality of using pitch, because filter screen 3 is protruding arc for waste residue etc. is automatic along filter screen 3 to the movement of both sides row cinder notch 2, the clearance to filter screen 3 is convenient to follow.

Preferably, be located filter screen 3 below in box 1 and be the heat preservation chamber, keep warm to pitch, be convenient for follow-up use, be equipped with the heat preservation subassembly in the heat preservation chamber, the heat preservation subassembly includes:

the electric heating plate 25 is rotatably arranged in the heat preservation cavity, one end of the electric heating plate 25 is connected with a third motor 24 for driving the electric heating plate 25 to rotate, a plurality of through holes 23 are uniformly formed in the electric heating plate 25, the electric heating plate 25 is driven to rotate by the third motor 24, asphalt is heated and preserved, and the asphalt passes through the through holes 23 and can be dispersed;

the electric heating plate 25 is electrically connected with the temperature control component through a wire, and a temperature sensor is arranged in the heat preservation cavity and is electrically connected with the temperature control component.

Example 2

Specifically, the power component includes:

In a specific implementation, the adjusting mechanism includes:

a driving part for driving the adjusting shaft 14 to rotate;

In this embodiment, the driving section includes:

Further, as shown in fig. 5-6, a discharging component is disposed at a discharging hole at the bottom of the box body 1, and the discharging component includes:

the telescopic rod 26 is arranged right below the discharge hole and is vertically arranged, and the telescopic rod 26 can be fixed on the support frame through screws;

the fifth motor 27 is fixed at the top end of the telescopic rod 26, an umbrella-shaped plate 28 is fixedly arranged on the output shaft of the fifth motor 27, the umbrella-shaped plate 28 can seal a discharge hole, when the telescopic rod 26 is shortened, the fifth motor 27 and the umbrella-shaped plate 28 are driven to descend, so that the discharge hole is opened, discharging can be carried out, and meanwhile, the fifth motor 27 drives the umbrella-shaped plate 28 to rotate, so that asphalt is uniformly dispersed to the periphery, and paving of municipal road engineering asphalt is facilitated;

and the stirring piece is fixed on the umbrella-shaped plate 28 and positioned in the discharge hole, the umbrella-shaped plate 28 drives the stirring piece to rotate, and the stirring piece stirs asphalt in the discharge hole to prevent the asphalt from hardening and blocking the discharge hole.

As shown in fig. 7, a plurality of elastic members 35 are installed on the upper surface of the filter screen 3 at intervals, and the top ends of the elastic members 35 extend to the rotation track of the stirring rod 4 and/or the movable plate 22, that is, when the stirring rod 4 and/or the movable plate 22 rotates, the stirring rod 4 and/or the movable plate 22 can be contacted with the elastic members 35 and then separated, so that the elastic members 35 vibrate, the elastic members 35 drive the filter screen 3 to vibrate, and the movement of waste residues and the like on the filter screen 3 to the slag discharging opening 2 is facilitated.

In summary, the invention provides an asphalt melting device for municipal road engineering, through setting up the crushing unit, the crushing unit includes crushing roller 9, power component, crushing piece, adjustment mechanism and plate body 12, during operation, will wait to melt the pitch and all add the crushing intracavity from the feed, thereby it is broken to wait to melt pitch to drive two crushing rollers 9 rotation through power component, simultaneously, the pitch after preliminary crushing falls to the crushing chamber bottom, crushing roller 9 drives plate body 12 rotation, plate body 12 drives the pitch of crushing chamber bottom and moves to the crushing chamber top along the crushing chamber lateral wall, then fall between two crushing rollers 9 and break again, and, adjust the length that crushing column tooth 8 stretches out the outside of crushing roller 9 step by step through adjustment mechanism, make pitch broken more and more gradually, through multiple cycle crushing, crushing effect is better, can carry out the regulation of crushing degree step by step, avoid the overload or damage condition, the crushing unit has been protected, the life of crushing unit has been prolonged; the stirring device is provided with a heating unit, the heating unit comprises a stirring shaft 5, a stirring rod 4 and a temperature component 6, and further comprises a threaded rod 19, a bevel gear 21, a bevel gear disk 20, a movable plate 22, a second connecting rod 16 and a third connecting rod 18, when the stirring device works, the stirring shaft 5 drives the threaded rod 19 to revolve, in the revolution process of the threaded rod 19, the bevel gear 21 is meshed with the bevel gear disk 20, the bevel gear 21 drives the threaded rod 19 to rotate, the threaded rod 19 drives the movable plate 22 to move, the movable plate 22 drives the third connecting rod 18 to move, the third connecting rod 18 drives the second connecting rod 16 to move, the stirring position and the stirring angle are changed in the movement process of the movable plate 22, the third connecting rod 18 and the second connecting rod 16, the working range is enlarged, asphalt is heated better, and the melting efficiency is further improved.

The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the invention.

Claims

1. Asphalt melts device for municipal road engineering, include the box and locate the crushing unit in the box, crushing unit is used for the broken asphalt that waits to melt, its characterized in that, crushing unit includes:

the power component is used for driving the two crushing rollers to rotate;

the plate bodies are circumferentially arranged on the side wall of the crushing roller at intervals, can be attached to the side wall of the crushing cavity and are used for conveying asphalt at the bottom of the crushing cavity to the top of the crushing cavity;

the adjustment mechanism includes:

and the driving part is used for driving the adjusting shaft to rotate.

2. The apparatus for melting asphalt for municipal road works according to claim 1, wherein said power member comprises:

3. The asphalt melting apparatus for town road works according to claim 2, wherein the driving part comprises:

4. The asphalt melting apparatus for municipal road engineering according to claim 1, further comprising a heating unit for heating melted and crushed asphalt, wherein the heating unit is disposed in the heating chamber of the box, the discharging port is communicated with the heating chamber, and the heating unit comprises:

5. The asphalt melting device for municipal road engineering according to claim 4, wherein the shaft section of the stirring shaft, which is close to the inner wall of one side of the box body, is provided with a threaded rod in a rotating manner, the threaded rod is perpendicular to the stirring shaft, one end of the threaded rod, which is far away from the stirring shaft, is fixedly provided with a bevel gear, a bevel gear disk meshed with the bevel gear is fixed on the inner side wall of the box body, a movable plate is connected to the threaded rod in a threaded manner, a through hole for the stirring rod to pass through is formed in the movable plate, a plurality of stirring rods on one side, which is far away from the movable plate, of the stirring shaft are respectively hinged with second connecting rods, third connecting rods, which are equal in number and in one-to-one correspondence with the second connecting rods, are hinged on the movable plate, and one end of each third connecting rod is hinged with the second connecting rods.

6. The asphalt melting device for municipal road engineering according to claim 5, wherein the filter screen is fixed below the heating cavity in the box body, the filter screen is in a convex arc shape, the two side walls of the box body are provided with slag discharging ports at two ends of the filter screen, and the slag discharging ports are provided with valves.

7. The asphalt melting device for municipal road engineering according to claim 1, wherein the box body is provided with a heat preservation cavity below the filter screen, and a heat preservation component is arranged in the heat preservation cavity and comprises:

8. The apparatus for melting asphalt for municipal road works according to claim 5, wherein the discharge port at the bottom of the tank is provided with a discharging assembly comprising:

9. The asphalt melting apparatus for municipal road works of claim 6, wherein a plurality of elastic members are installed on the upper surface of the filter net at intervals, and the top ends of the elastic members extend to the rotation track of the stirring rod and/or the movable plate.