CN112726335B

CN112726335B - Asphalt paving device for road construction

Info

Publication number: CN112726335B
Application number: CN202110008911.9A
Authority: CN
Inventors: 温向峰; 毕治伟; 刘龙军; 张四伟; 陈扣忠
Original assignee: China Construction Second Engineering Bureau Civil Engineering Group Co Ltd
Current assignee: China Construction Second Engineering Bureau Civil Engineering Group Co Ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2022-03-01
Anticipated expiration: 2041-01-05
Also published as: CN112726335A

Abstract

The invention relates to the technical field of road construction, in particular to an asphalt paving device for road construction, which comprises a vehicle body, a water storage tank and a stirring barrel, wherein the water storage tank and the stirring barrel are both fixedly arranged on the vehicle body, a feed inlet is arranged on the stirring barrel, a stirring mechanism is arranged in the stirring barrel, the stirring mechanism comprises a stirring roller rotatably arranged in the stirring barrel, a plurality of main stirring blades and a plurality of auxiliary stirring blades, the main stirring blades and the auxiliary stirring blades are symmetrically arranged at the periphery of the stirring roller, a stepping motor for driving the stirring roller is fixedly arranged on the outer wall of the stirring barrel, the main stirring blades are fixedly arranged at the periphery of the stirring roller, one end of each auxiliary stirring blade is hinged with the stirring roller, and a top block is symmetrically and slidably arranged in the stirring roller; the invention not only improves the mixing effect of the asphalt raw materials, but also realizes the automatic cleaning work of the inner wall of the stirring barrel, and avoids asphalt bonding to influence the later asphalt processing work.

Description

Asphalt paving device for road construction

Technical Field

The invention relates to the technical field of road construction, in particular to an asphalt paving device for road construction.

Background

The asphalt is a black brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is one of high-viscosity organic liquids, is in a liquid state, has a black surface, and can be dissolved in carbon disulfide; the asphalt is a waterproof, moistureproof and anticorrosive organic cementing material; the asphalt can be mainly divided into coal tar asphalt, petroleum asphalt and natural asphalt.

The work that current pitch paved is divided into pitch processing and two steps of artifical fortune material, the paving mostly, not only consumes the labour, in pitch processing production process, there is a large amount of pitch bonds in the processing bucket inner wall moreover, if not in time handle, influences the work of later stage production and processing.

Disclosure of Invention

The invention aims to provide an asphalt paving device for road construction, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a road construction is with pitch paving device, includes automobile body, water storage tank and agitator, the equal fixed mounting of water storage tank and agitator is on the automobile body, is equipped with the feed inlet on the agitator, be equipped with rabbling mechanism in the agitator, rabbling mechanism includes that the stirring roller of rotation installation in the agitator, symmetry set up at a plurality of main stirring leaves and a plurality of subsidiary stirring leaves of stirring roller outlying, fixed mounting has the step motor who is used for driving the stirring roller on the outer wall of agitator, main stirring leaf fixed mounting is on the periphery of stirring roller, the one end of assisting the stirring leaf is articulated with the stirring roller, and symmetrical slidable mounting has the kicking block in the stirring roller, articulate through the head rod between the one end of kicking block and the subsidiary stirring leaf, elastic connection between the kicking block, and be equipped with the electro-magnet that the circular telegram was inhaled mutually between the kicking block, be equipped with the controller of control electro-magnet intermittent type circular telegram on the automobile body, still the symmetry is equipped with two sets of clearance mechanisms in the agitator, be equipped with the shifter between stirring roller and the step motor.

Further: clearance mechanism includes piston, rack, gear and iron brush, the one end of stirring roller is equipped with the water cavity, and through the connecting pipe intercommunication between water cavity and the water storage tank, slidable mounting has the slider in the water cavity, and the slider passes through the spring to be connected with the stirring roller, be equipped with the spout between stirring roller and the main stirring leaf, piston slidable mounting in the spout and with the one end fixed mounting of rack, and the slider passes through the hinge bar and articulated with the piston, be equipped with the cavity in the main stirring leaf, the pivot is installed to the cavity internal rotation, and iron brush fixed mounting is in one side of pivot, and the opposite side fixed mounting that lies in the iron brush in the pivot has the shutoff board, the coaxial fixed mounting of pivot has the gear with rack engaged with, water cavity circumference is equipped with a plurality of basin.

Further: the water outlet groove is arc-shaped.

Further: the switching mechanism comprises a ratchet wheel and a driving shaft which are rotatably installed in the stirring barrel, the ratchet wheel is fixedly connected with the stirring roller, a driving disc is fixedly installed on the driving shaft, a plurality of pawls matched with the ratchet wheel are hinged to the circumferential direction of the driving disc, torsion springs are arranged at the hinged positions of the pawls, conductive rods are further fixedly installed at the hinged ends of the pawls, conductive blocks are further arranged on the driving disc and located on the moving path of the conductive rods, and one end of the driving shaft is connected with the stepping motor through a transmission piece.

And further: the ratchet wheel and the driving shaft are concentric, and one side, located on the pawl, of the periphery of the driving disc is provided with an interference protrusion.

And further: the vehicle body is also provided with a material homogenizing mechanism.

And further: the homocline mechanism includes a workbin and a plurality of equidistance lays the discharge gate on going out the workbin, go out workbin fixed mounting on the automobile body and communicate between the agitator, go out the incasement and go back the symmetry and rotate and install two fortune material augers.

And further: the rear end of the vehicle body is also provided with a flat ground structure.

And further: the land leveling structure comprises a land leveling roller, two hydraulic cylinders symmetrically arranged on two sides of the vehicle body and a second connecting rod, two ends of the second connecting rod are respectively rotatably mounted between the vehicle body and the land leveling roller through shafts, and the vehicle body is hinged to the second connecting rod through the hydraulic cylinders.

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:

1. the invention pours asphalt raw material into a stirring barrel through a feed inlet by arranging a switching mechanism, a ratchet wheel, a driving disc, a driving shaft, a pawl, a collision protrusion, a conductive rod, a conductive block, a stirring roller, a main stirring blade, an auxiliary stirring blade, a first connecting rod, a top block and an electromagnet, drives the driving shaft to rotate anticlockwise by the rotation of a stepping motor, further drives the driving disc to rotate, drives the stirring roller, the main stirring blade and the auxiliary stirring blade to rotate under the collision action between the pawl and the ratchet wheel and the collision protrusion, on the other hand, rotates a certain angle along the hinged part of the pawl in the process, further leads the conductive rod to be contacted with the conductive block, further triggers the electromagnet to be intermittently electrified, leads the top block to do reciprocating motion relative to the stirring roller under the action of centrifugal force and the collision action between the electromagnets, under the action of the first connecting rod, the auxiliary stirring blade is driven to rotate back and forth along the hinged position, and the mixing effect of the asphalt raw material is further improved.

2. According to the invention, the water outlet groove, the sliding block, the hinge rod, the piston, the rack, the spring, the gear, the rotating shaft, the plugging plate, the iron brush and the cavity are arranged, after stirring processing is finished, water is injected into the water cavity through the water storage tank, the sliding block is driven to move downwards under the action of the collision between the water and the sliding block, the piston and the rack are driven to move towards two sides along the sliding groove under the action of the hinge rod, and then the gear is driven to rotate, so that the positions of the plugging plate and the iron brush are converted, and the water outlet groove is arc-shaped, so that the stirring roller is driven to rotate anticlockwise through water power, and the rotation of the stirring roller is not influenced by the stepping motor through the matching between the ratchet wheel and the pawl, so that the automatic cleaning work of the inner wall of the stirring barrel is realized, asphalt adhesion is avoided, and the later asphalt processing work is influenced.

3. According to the invention, the discharging box, the discharging port and the material conveying auger are arranged, the stirred and processed asphalt falls into the discharging box, the asphalt is moved towards two sides relative to the discharging box by the rotation of the material conveying auger, and the discharging ports at different positions of the asphalt are released onto the construction ground in the moving process, so that the asphalt can be uniformly released at all positions of the ground, and the manual and uniform work of a shovel is avoided.

4. According to the invention, the ground leveling roller is driven to move through the telescopic function of the hydraulic cylinder by arranging the ground leveling roller, the hydraulic cylinder and the second connecting rod, so that the height of the ground leveling roller relative to the ground is adjusted, and after the asphalt is released by the material homogenizing mechanism, the ground can be directly leveled, so that the later-stage manual leveling of workers is avoided, and the labor intensity is reduced.

Drawings

FIG. 1 is a schematic structural view of an asphalt paving apparatus for road construction;

FIG. 2 is an enlarged schematic view of a portion of a asphalt paving system for road construction at location A;

FIG. 3 is a cross-sectional view of a mixing roll positioned at a water outlet trough in the asphalt paving device for road construction;

FIG. 4 is an enlarged schematic view of a portion of the structure at position B of the asphalt paving for road construction;

FIG. 5 is an enlarged schematic view of a portion of the structure at position C of the asphalt paving for road construction;

FIG. 6 is a schematic structural view of a transfer mechanism in the asphalt paving apparatus for road construction;

FIG. 7 is a schematic structural view of a material homogenizing mechanism in the asphalt paving device for road construction;

fig. 8 is a schematic structural view of a pawl in the asphalt paving for road construction.

The reference numerals in the schematic drawings illustrate:

1-vehicle body, 2-water storage tank, 3-stirring barrel, 4-feed inlet, 5-stirring roller, 6-stepping motor, 7-switching mechanism, 701-ratchet wheel, 702-driving disc, 703-driving shaft, 704-pawl, 705-collision bump, 706-conducting rod, 707-conducting block, 8-main stirring blade, 9-auxiliary stirring blade, 10-water outlet tank, 11-sliding block, 12-hinge rod, 13-piston, 14-rack, 15-spring, 16-gear, 17-rotating shaft, 18-blocking plate, 19-iron brush, 20-cavity, 21-first connecting rod, 22-top block, 23-electromagnet, 24-discharge box, 25-discharge port, 26-material conveying auger, 27-ground leveling roller, 28-hydraulic cylinder, 29-second connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention, and the present invention is further described with reference to the embodiments below.

Referring to fig. 1, 2, 3, 4, 5, 6 and 8, in an embodiment of the present invention, an asphalt paving device for road construction includes a vehicle body 1, a water storage tank 2 and a stirring barrel 3, the water storage tank 2 and the stirring barrel 3 are both fixedly mounted on the vehicle body 1, a feed inlet 4 is disposed on the stirring barrel 3, a stirring mechanism is disposed in the stirring barrel 3, the stirring mechanism includes a stirring roller 5 rotatably mounted in the stirring barrel 3, a plurality of main stirring blades 8 and a plurality of auxiliary stirring blades 9 symmetrically disposed on the periphery of the stirring roller 5, a stepping motor 6 for driving the stirring roller 5 is fixedly mounted on the outer wall of the stirring barrel 3, the main stirring blades 8 are fixedly mounted on the periphery of the stirring roller 5, one end of the auxiliary stirring blades 9 is hinged to the stirring roller 5, a top block 22 is symmetrically slidably mounted in the stirring roller 5, one end of the top block 22 is hinged to the auxiliary stirring blades 9 through a first connecting rod 21, elastic connection between the kicking block 22, and be equipped with the electro-magnet 23 that the circular telegram was inhaled mutually between the kicking block 22, be equipped with the controller of control electro-magnet 23 intermittent type circular telegram on the automobile body 1, it is equipped with two sets of clearance mechanisms still to symmetry in the agitator 3, clearance mechanism includes piston 13, rack 14, gear 16 and iron brush 19, the one end of stirring roller 5 is equipped with the water cavity, and through the connecting pipe intercommunication between water cavity and the water storage tank 2, slidable mounting has slider 11 in the water cavity, and slider 11 is connected with stirring roller 5 through spring 15, be equipped with the spout between stirring roller 5 and the main stirring leaf 8, piston 13 slidable mounting just with the one end fixed mounting of rack 14 in the spout, and slider 11 is articulated with piston 13 through hinge bar 12, be equipped with cavity 20 in the main stirring leaf 8, pivot 17 is installed to cavity 20 internal rotation, and iron brush 19 fixed mounting is in one side of pivot 17, a plugging plate 18 is fixedly arranged on the rotating shaft 17 at the opposite side of the iron brush 19, a gear 16 meshed with the rack 14 is coaxially and fixedly arranged on the rotating shaft 17, a plurality of water outlet grooves 10 are circumferentially arranged in the water cavity, and the water outlet grooves 10 are arc-shaped;

a switching mechanism 7 is arranged between the stirring roller 5 and the stepping motor 6, the switching mechanism 7 comprises a ratchet wheel 701 and a driving shaft 703 which are rotatably arranged in the stirring barrel 3, the ratchet wheel 701 is fixedly connected with the stirring roller 5, the ratchet wheel 701 and the driving shaft 703 are concentric, a driving disk 702 is fixedly arranged on the driving shaft 703, a plurality of pawls 704 matched with the ratchet 701 are hinged on the circumference of the driving disk 702, torsion springs are arranged at the hinged positions of the pawls 704, and an interference protrusion 705 is provided on one side of the periphery of the driving disc 702 at the pawl 704, the hinged end of the pawl 704 is also fixedly provided with a conductive rod 706, the driving disc 702 is also provided with a conductive block 707 on the moving path of the conductive rod 706, one end of the driving shaft 703 is connected to the stepping motor 6 through a transmission member, which may be a chain or a belt, and is not limited herein.

In practical application, asphalt raw materials are poured into the stirring barrel 3 through the feeding hole 4, the driving shaft 703 is driven to rotate anticlockwise through the rotation of the stepping motor 6, the driving disc 702 is further driven to rotate, under the action of the collision between the pawl 704 and the ratchet 701 and the action of the collision protrusion 705, on one hand, the stirring roller 5, the main stirring blade 8 and the auxiliary stirring blade 9 are driven to rotate, on the other hand, the pawl 704 rotates for a certain angle along the hinged part in the process, the conductive rod 706 is further contacted with the conductive block 707, the electromagnet 23 is further triggered to be powered intermittently, under the action of centrifugal force and the collision between the electromagnets 23, the top block 22 is driven to reciprocate relative to the stirring roller 5, under the action of the first connecting rod 21, the auxiliary stirring blade 9 is driven to rotate along the hinged part in a reciprocating manner, and the mixing effect on the asphalt raw materials is further improved;

after the stirring processing is accomplished, through water storage tank 2 to the water intracavity injection water, under the conflict effect between water and slider 11, it moves down to drive slider 11, under the effect of hinge pole 12, it moves to both sides along the spout to drive piston 13 and rack 14, and then drive gear 16 and rotate 180, thereby change shutoff board 18 and iron brush 19's position, and because basin 10 is the camber line, thereby along anticlockwise rotation through water drive stirring roller 5, through the cooperation between ratchet 701 and the pawl 704, make step motor 6 not influence the rotation of stirring roller 5, thereby realize automatic inner wall to agitator 3 and carry out the scrubbing work, avoid the pitch bonding, influence the pitch processing work in later stage.

Further, referring to fig. 1 and 7, as a preferred embodiment of the present invention, the vehicle body 1 is further provided with a material homogenizing mechanism, so that asphalt can be uniformly spread on the construction ground, the material homogenizing mechanism includes a material discharging box 24 and a plurality of material discharging ports 25 equidistantly arranged on the material discharging box 24, the material discharging box 24 is fixedly installed on the vehicle body 1 and is communicated with the stirring barrel 3, and two material conveying packing augers 26 are symmetrically and rotatably installed in the material discharging box 24.

During practical application, the pitch after the stirring processing falls into out workbin 24, rotates through fortune material auger 26 for pitch goes out workbin 24 relatively and removes to both sides, and at the in-process that removes, makes pitch release construction subaerial at the discharge gate 25 of different positions, and then makes the release that pitch can be even at each position on ground, avoids the manual even work of manual adoption spade.

Further, referring to fig. 1, as a preferred embodiment of the present invention, a flat ground structure is further disposed at the rear end of the vehicle body 1, the flat ground structure includes a flat ground roller 27, two hydraulic cylinders 28 symmetrically disposed at two sides of the vehicle body, and a second connecting rod 29, two ends of the second connecting rod 29 are respectively pivotally mounted with the vehicle body 1 and the flat ground roller 27, and the vehicle body 1 is hinged to the second connecting rod 29 through the hydraulic cylinders 28.

During practical application, through the flexible function of pneumatic cylinder 28, drive the motion of level land roller 27, realize adjusting the height on level land roller 27 relative ground to after the release pitch of mixing mechanism, can directly carry out leveling work to ground, avoid later stage staff manual level and smooth, reduced intensity of labour.

With the above embodiment, the working principle of the present invention is as follows:

when the asphalt mixing device is used, asphalt raw materials are poured into the mixing barrel 3 through the feeding hole 4, the driving shaft 703 is driven to rotate anticlockwise through the rotation of the stepping motor 6, the driving disc 702 is further driven to rotate, under the action of the interference between the pawl 704 and the ratchet 701 and the action of the interference protrusion 705, on one hand, the mixing roller 5, the main mixing blade 8 and the auxiliary mixing blade 9 are driven to rotate, on the other hand, the pawl 704 rotates for a certain angle along the hinged part in the process, the conductive rod 706 is further contacted with the conductive block 707, the electromagnet 23 is further triggered to be powered intermittently, under the action of centrifugal force and the interference between the electromagnets 23, the top block 22 is driven to reciprocate relative to the mixing roller 5, and under the action of the first connecting rod 21, the auxiliary mixing blade 9 is driven to rotate to reciprocate along the hinged part;

after the stirring processing is finished, water is injected into the water cavity through the water storage tank 2, the sliding block 11 is driven to move downwards under the action of interference between the water and the sliding block 11, the piston 13 and the rack 14 are driven to move towards two sides along the sliding groove under the action of the hinged rod 12, and then the gear 16 is driven to rotate 180 degrees, so that the positions of the blocking plate 18 and the iron brush 19 are changed, and the water outlet groove 10 is arc-shaped, so that the stirring roller 5 is driven to rotate anticlockwise through water power, and the rotation of the stirring roller 5 is not influenced by the stepping motor 6 through the matching between the ratchet 701 and the pawl 704;

the stirred and processed asphalt falls into a discharge box 24, the asphalt moves towards two sides relative to the discharge box 24 through the rotation of a material conveying auger 26, and in the moving process, the asphalt is released to the construction ground at discharge ports 25 at different positions;

through the flexible function of pneumatic cylinder 28, drive the motion of levelling roller 27, realize adjusting the height on levelling roller 27 relative ground to can directly carry out level and smooth work to ground after the mixing mechanism releases pitch.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a road construction is with pitch device of paving, includes automobile body (1), water storage tank (2) and agitator (3), the equal fixed mounting of water storage tank (2) and agitator (3) is equipped with feed inlet (4) on automobile body (1), its characterized in that, be equipped with rabbling mechanism in agitator (3), rabbling mechanism includes stirring roller (5), the symmetry setting in agitator (3) is equipped with a plurality of main stirring leaves (8) and a plurality of assistance stirring leaf (9) of stirring roller (5) outlying of rotation installation, fixed mounting has step motor (6) that are used for driving stirring roller (5) on the outer wall of agitator (3), main stirring leaf (8) fixed mounting is on the periphery of stirring roller (5), the one end of assisting stirring leaf (9) is articulated with stirring roller (5), just symmetrical slidable mounting has kicking block (22) in stirring roller (5), one end of the top block (22) is hinged with the auxiliary stirring blade (9) through a first connecting rod (21), the top blocks (22) are elastically connected, an electromagnet (23) which is electrified and attracted is arranged between the top blocks (22), a controller which controls the electromagnet (23) to be electrified intermittently is arranged on the vehicle body (1), two groups of cleaning mechanisms are symmetrically arranged in the stirring barrel (3), and a switching mechanism (7) is arranged between the stirring roller (5) and the stepping motor (6);

the cleaning mechanism comprises a piston (13), a rack (14), a gear (16) and an iron brush (19), one end of the stirring roller (5) is provided with a water cavity, the water cavity is communicated with the water storage tank (2) through a connecting pipe, a sliding block (11) is arranged in the water cavity in a sliding manner, the sliding block (11) is connected with the stirring roller (5) through a spring (15), a sliding groove is formed between the stirring roller (5) and a main stirring blade (8), the piston (13) is arranged in the sliding groove in a sliding manner and fixedly mounted with one end of the rack (14), the sliding block (11) is hinged with the piston (13) through a hinge rod (12), a cavity (20) is arranged in the main stirring blade (8), a rotating shaft (17) is installed in the cavity (20) in a rotating manner, the iron brush (19) is fixedly mounted on one side of the rotating shaft (17), a blocking plate (18) is fixedly mounted on the opposite side, which is located on the iron brush (19), on the rotating shaft (17), the rotating shaft (17) is coaxially and fixedly provided with a gear (16) meshed with the rack (14), and the water cavity is circumferentially provided with a plurality of water outlet grooves (10).

2. The asphalt paving apparatus for road construction according to claim 1, wherein the water outlet channel (10) is arc-shaped.

3. The asphalt paving device for road construction according to claim 2, wherein the conversion mechanism (7) comprises a ratchet wheel (701) and a driving shaft (703) which are rotatably installed in the stirring barrel (3), the ratchet wheel (701) is fixedly connected with the stirring roller (5), a driving disc (702) is fixedly installed on the driving shaft (703), a plurality of pawls (704) matched with the ratchet wheel (701) are hinged to the driving disc (702) in the circumferential direction, torsion springs are arranged at the hinged positions of the pawls (704), a conductive rod (706) is further fixedly installed at the hinged end of each pawl (704), a conductive block (707) is further arranged on the driving disc (702) and located on the moving path of the conductive rod (706), and one end of the driving shaft (703) is connected with the stepping motor (6) through a transmission piece.

4. An asphalt paving apparatus for road construction according to claim 3, wherein said ratchet wheel (701) and said driving shaft (703) are concentric, and an interference protrusion (705) is provided on the periphery of said driving plate (702) on the side of said pawl (704).

5. The asphalt paving device for road construction according to claim 1, wherein the vehicle body (1) is further provided with a material homogenizing mechanism.

6. The asphalt paving device for road construction according to claim 5, wherein the material homogenizing mechanism comprises a material discharging box (24) and a plurality of material discharging holes (25) equidistantly distributed on the material discharging box (24), the material discharging box (24) is fixedly mounted on the vehicle body (1) and communicated with the stirring barrel (3), and two material conveying packing augers (26) are symmetrically and rotatably mounted in the material discharging box (24).

7. The asphalt paving apparatus for road construction according to claim 1, wherein the rear end of the vehicle body (1) is further provided with a flat structure.

8. The asphalt paving device for road construction according to claim 7, wherein the land leveling structure comprises a land leveling roller (27), two hydraulic cylinders (28) symmetrically arranged on two sides of the vehicle body and a second connecting rod (29), two ends of the second connecting rod (29) are respectively rotatably mounted with the vehicle body (1) and the land leveling roller (27) through a shaft, and the vehicle body (1) is hinged with the second connecting rod (29) through the hydraulic cylinders (28).