CN110565480A

CN110565480A - Town road pitch laying device

Info

Publication number: CN110565480A
Application number: CN201910828137.9A
Authority: CN
Inventors: 林晓涛
Original assignee: Guangdong Chaoxin Construction Engineering Co Ltd
Current assignee: Guangdong Chaoxin Construction Engineering Co Ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2019-12-13

Abstract

The invention discloses a municipal road asphalt paving device, belongs to the field of road building machinery, and aims to provide a paving device for reducing excessive local asphalt mixture filling in the process of paving a road surface. The invention has the advantages of realizing uniform filling of the asphalt mixture and reducing the excessive filling of the local asphalt mixture in the process of paving the pavement.

Description

Town road pitch laying device

Technical Field

The invention relates to the field of road building machinery, in particular to a municipal road asphalt paving device.

background

The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, is in a liquid state, a semi-solid state or a solid state, and is a waterproof, moistureproof and anticorrosive organic cementing material. It is used in paint, plastic, rubber and other industry, road surface paving and other fields. Pitch is solid-state at ordinary temperature, so need heat when using and melt solid-state pitch, heating temperature generally is about 120 ℃, the pitch heating of prior art generally all is through boiler heating, then transport to laying equipment on, this temperature that has just led to pitch descends to some extent, the bituminous paving quality of laying descends, and need remove dust to the road surface before carrying out bituminous paving, otherwise can influence bituminous paving quality, general laying device does not have this kind of function, and work efficiency is low, it is poor to lay the effect, and can't satisfy the bituminous paving requirement of different thickness.

The chinese patent with the bulletin number CN109024193A discloses an integrative laying machine of town road pitch, including tractor and laying device, the tractor is including drawing the chassis and installing the driver's cabin on drawing the chassis, and laying device includes preceding frame, stirs material mechanism, flattening mechanism, coupling mechanism and supplementary telescopic machanism, stir the front side of material mechanism installation on preceding frame upper surface, stir material mechanism and include the support frame and fix the agitator tank on the support frame, the discharge gate has been seted up to the agitator tank rear side, open at the middle part of preceding frame has the drain hole, and the discharge gate of agitator tank is located the top of drain hole, flattening mechanism installs the rear side at preceding frame, the rear side of drawing the chassis is fixed with the reinforcing plate, coupling mechanism is located between reinforcing plate lower part and the preceding frame, supplementary telescopic machanism is located between reinforcing plate upper portion and the preceding frame.

Although the adjustable connecting mechanism is arranged between the tractor and the paving device, the phenomenon that the connecting mechanism is deformed due to vibration is reduced; however, in the actual use process, the asphalt mixture falls to the paving surface from the material leakage opening, the auger in forward and reverse transmission can fill and level the asphalt mixture to the ground, the auger smooths the asphalt mixture on the straight line where the auger is located when working, and because the paving machine is always in the moving state, the position of the auger also moves along with the generation, so that the filling and leveling uniformity degree of the asphalt mixture has certain influence, and the condition that the local asphalt mixture is filled too much can be caused.

Disclosure of Invention

The invention aims to provide a municipal road asphalt laying device which has the advantages of realizing uniform filling of asphalt mixture and reducing excessive local asphalt mixture filling in the process of laying a pavement.

The technical purpose of the invention is realized by the following technical scheme:

A municipal road asphalt laying device comprises a front frame, a material stirring mechanism arranged at one end of the front frame in the advancing direction, and a flattening mechanism arranged at one end of the front frame away from the material stirring mechanism, wherein a material leakage port is arranged in the middle of the front frame, and a filling device is arranged in the material leakage port;

the filling device comprises a conveying flattening mechanism arranged at one end close to the stirring mechanism and a push plate flattening mechanism arranged at one end close to the flattening mechanism;

The conveying and smoothing mechanism comprises two transmission shafts arranged in parallel and spiral blades arranged in the length direction of the transmission shafts, the axial direction of the transmission shafts is vertical to the telecontrol direction of the device, and the spiral transmission directions of the two spiral blades are opposite;

The push plate flattening mechanism comprises a first material pushing plate and a second material pushing plate which are arranged on the inner side wall of the material leaking port, and a first pushing cylinder and a second pushing cylinder which drive the first material pushing plate and the second material pushing plate, wherein the first material pushing plate and the second material pushing plate are arranged on two sides of the material leaking port, the moving direction of the first material pushing plate and the second material pushing plate is parallel to the axis direction of the transmission shaft, and the bottom edges of the first material pushing plate and the second material pushing plate are flush with the axis position of the transmission shaft.

Through adopting above-mentioned technical scheme, the bituminous mixture that comes out from the leakage opening piles up on the road surface, and distribution that can not be even is on the road surface, smooths the mechanism through carrying and smooths the mechanism with the push pedal, can realize spreading the bituminous mixture that spills on the road surface and carry out twice and smooth the work, is favorable to reducing the accumulational condition, realizes that bituminous mixture's even shop spills on the road surface, reduces the advantage that the too much condition was filled to the local bituminous mixture of the in-process of laying the road surface appearance.

Further, the one end that the preceding frame is close to the mechanism that flattens is equipped with supplementary subassembly of pacifying, supplementary subassembly of pacifying is including establishing the lagging of going forward the frame tip, setting up at the compaction roller of pacifying the lagging inside, setting up the pneumatic cylinder that is used for placing the promotion mouth of pacifying the lagging, setting up on going forward the frame in the front, the vertical setting of pneumatic cylinder and its telescopic link move in vertical direction, be equipped with the connecting rod of L shape on the telescopic link of pneumatic cylinder, the one end that the pneumatic cylinder was kept away from to the connecting rod is connected with the lagging.

Through adopting above-mentioned technical scheme, according to the thickness that the road surface needs was laid, correspond the height of adjusting supplementary subassembly of pacifying, pacify the lagging and realize the work of floating once more to the bituminous mixture of laying on the inside, the compaction roller has certain compaction effect to the bituminous mixture of pacifying the lagging and pacifying once more, simultaneously, also can reach the effect of pacifying once more to reach the effect that the local bituminous mixture filled too much condition appears in the in-process that reduces the pavement.

Furthermore, the hydraulic cylinder is provided with two hydraulic cylinders which are symmetrically arranged relative to the center of the front frame in the width direction.

Through adopting above-mentioned technical scheme, the pneumatic cylinder that the symmetry set up can be so that smooth the realization oscilaltion work that the subassembly can be stable.

Further, smooth the lagging including the vertical first dull and stereotyped, the second that smooths the parallel arrangement of board with first smooths dull and stereotypedly, connect first dull and stereotyped and the second smooths dull and stereotyped and the horizontally arranged connecting plate, the upper surface connection of connecting rod and connecting plate, first both ends that smooths dull and stereotyped and second are equipped with the closing plate, the both ends and the closing plate rotation of compaction roller are connected.

Through adopting above-mentioned technical scheme, smooth the lagging and combine the compaction roller, can realize the ascending regulation of vertical side according to the thickness that bituminous mixture laid, realize the dual effect of smoothing and compaction to bituminous mixture.

Further, the bottom of the first smoothing plate is flush with the bottom of the compaction roller.

Through adopting above-mentioned technical scheme, the first place of pacifying the board process realizes pacifying again the bituminous mixture, and the compaction roller can roll the bituminous mixture after pacifying, also plays the effect of pacifying again the bituminous mixture realization simultaneously.

Further, the bottom of the first flattening plate on the side far away from the compacting roller is provided with a chamfer angle, and the chamfer angle extends from the side close to the compacting roller to the side far away from the compacting roller.

through adopting above-mentioned technical scheme, first smooth dull and stereotyped when pacifying bituminous mixture, the chamfer plays certain guide effect to piling up at the bituminous mixture of first dull and stereotyped department for bituminous mixture rolls forward, falls down again and is pacified once more, reduces the first accumulation volume of pacifying dull and stereotyped department bituminous mixture.

Furthermore, a plurality of steel needles are uniformly arranged at the bottom end of the first smoothing plate along the length direction.

By adopting the technical scheme, when the agglomerated asphalt mixture is encountered, the steel needles can play a role in breaking the agglomerated materials, so that the asphalt mixture is laid more uniformly.

Furthermore, polytetrafluoroethylene layers are arranged on the surfaces of the helical blade, the first material pushing plate and the second material pushing plate.

By adopting the technical scheme, the polytetrafluoroethylene has good non-adhesion, the adhesion of the asphalt mixture to the helical blade, the first material pushing plate and the second material pushing plate can be reduced, and the accumulation of the asphalt mixture is reduced.

In conclusion, the invention has the following beneficial effects:

1. through the arrangement of the conveying smoothing mechanism, the push plate smoothing mechanism and the push plate smoothing mechanism, the three-time smoothing work of the asphalt mixture is realized, and the effect of reducing excessive filling of the local asphalt mixture in the pavement paving process can be achieved;

2. Through the setting of steel needle, can play the effect that the bituminous mixture appears the reunion to explain.

Drawings

FIG. 1 is a schematic overall view of a town road asphalt paving machine according to an embodiment;

FIG. 2 is a schematic diagram of an embodiment embodying a delivery smoothing mechanism and a pusher smoothing mechanism;

Fig. 3 is a schematic diagram of an embodiment for embodying an auxiliary smoothing assembly.

In the figure, 1, a front frame; 11. a material leakage port; 2. a material stirring mechanism; 3. a flattening mechanism; 4. a conveying smoothing mechanism; 41. a drive shaft; 42. a helical blade; 5. a push plate smoothing mechanism; 51. a first pusher plate; 52. a second pusher plate; 53. a first push cylinder; 54. a second push cylinder; 6. a secondary smoothing assembly; 61. smoothing the sleeve plate; 611. a first stroking plate; 6111. chamfering; 6112. a steel needle; 612. a second smoothing plate; 613. a connecting plate; 614. a closing plate; 62. a compaction roller; 63. a lifting port; 64. a hydraulic cylinder; 641. a connecting rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a municipal road asphalt paving device is shown in figure 1 and comprises a front frame 1, a material stirring mechanism 2 arranged at one end of the front frame 1 in the advancing direction, and a flattening mechanism 3 arranged at one end of the front frame 1 far away from the material stirring mechanism 2, wherein a material leakage opening 11 is formed in the middle of the front frame 1, a filling device is arranged in the material leakage opening 11, asphalt mixture in the material stirring mechanism 2 is spread on a road surface from a material dropping opening, the filling device smoothes the asphalt mixture scattered on the road surface, and finally the asphalt mixture paved on the road surface is compacted under the action of the flattening mechanism 3.

The quality of road surface laying has certain requirement to the surface flatness, to the control of road surface flatness, wherein the filler device is the first assurance of road surface flatness, need to spread the subaerial bituminous mixture from leaking material mouthful 11 and smooth, reduces the one pile of the circumstances of appearing or local too much bituminous mixture on the road surface.

As shown in fig. 1 and 2, the filling device includes a conveying leveling mechanism 4 disposed near one end of the stirring mechanism 2, the conveying leveling mechanism 4 includes two transmission shafts 41 disposed in parallel, helical blades 42 disposed in the length direction of the transmission shafts 41, the axial direction of the transmission shafts 41 is perpendicular to the direction of the telemechanical movement of the device, the transmission shafts 41 rotate to drive the helical blades 42 to rotate, because the transmission shafts 41 are highly fixed, the helical blades 42 can level the contacted asphalt mixture along the axial direction of the rotation shaft, because the whole device moves in the using process, the effect of the unidirectional leveling is small, the helical transmission directions of the two helical blades 42 are set to be opposite, thereby facilitating the realization of the mutual compensation in two directions and improving the quality of the leveled asphalt mixture.

as shown in fig. 1 and 2, the laying device moves in the operation process, the conveying and flattening mechanism 4 can cause the asphalt mixture at a certain local point to be accumulated when the asphalt mixture is displaced, for further improvement of the flattening quality of the asphalt mixture, the filling device further comprises a push plate flattening mechanism 5 arranged at one end close to the flattening mechanism 3, and the push plate flattening mechanism 5 is used for carrying out secondary flattening work on the asphalt mixture paved on the road surface.

As shown in fig. 1 and 2, the push plate smoothing mechanism 5 includes a first push plate 51 and a second push plate 52 disposed on the inner side wall of the drain opening 11, and a first push cylinder 53 and a second push cylinder 54 driving the first push plate 51 and the second push plate 52, the first push cylinder 53 and the second push cylinder 54 are fixed on the front traveling frame 1, the first push plate 51 and the second push plate 52 are disposed on both sides of the drain opening 11, meanwhile, the bottom edges of the first push plate 51 and the second push plate 52 are flush with the position of the axis of the transmission shaft 41, and the moving direction is parallel to the axis direction of the transmission shaft 41, the moving directions of the first push plate 51 and the second push plate 52 are opposite, forming a state of alternately smoothing; by reciprocating smoothing work, the condition of stacking the asphalt mixture on the road surface is further reduced,

As shown in fig. 1 and 3, after the work is pacified twice through the filler device, bituminous mixture on the road surface has certain roughness, but does not exclude still to have the local inhomogeneous condition once, in order to improve again the quality of pacifying bituminous mixture, the one end that is close to flattening mechanism 3 at preceding parallel frame 1 is equipped with supplementary subassembly 6 of pacifying, and the work of pacifying bituminous mixture is realized the third time through supplementary subassembly 6 of pacifying.

As shown in fig. 1 and 3, the auxiliary smoothing assembly 6 includes a smoothing sleeve plate 61 arranged at the end of the front row frame 1, a compacting roller 62 arranged inside the smoothing sleeve plate 61, a lifting port 63 arranged on the front row frame 1 and used for placing the smoothing sleeve plate 61, a hydraulic cylinder 64 arranged on the front row frame 1, the compacting roller 62 is provided with a plurality of rollers, two ends of the compacting roller 62 are generally provided with two rollers rotatably connected with the smoothing sleeve plate 61, the hydraulic cylinder 64 is vertically arranged and the telescopic rod thereof moves in the vertical direction, a connecting rod 641 in an L shape is arranged on the telescopic rod of the hydraulic cylinder 64, one end of the connecting rod 641 far away from the hydraulic cylinder 64 is connected with the smoothing sleeve plate 61, the smoothing sleeve plate 61 and the compacting roller 62 are driven to move in the vertical direction, in order to ensure the stability of the movement of the smoothing sleeve plate 61 and the compacting roller 62, the hydraulic cylinder 64 is provided with two rollers and is symmetrically arranged about the center of

As shown in fig. 1 and 3, the leveling sleeve 61 again performs a leveling operation on the asphalt mixture laid on the inner side, and the compacting roller 62 has a certain compacting effect on the asphalt mixture leveled by the leveling sleeve 61. The smoothing sleeve plate 61 comprises a first smoothing plate 611 arranged vertically, a second smoothing plate 612 arranged parallel to the first smoothing plate 611, and a connecting plate 613 connecting the first smoothing plate 611 and the second smoothing plate 612 and arranged horizontally, a connecting rod 641 is connected with the upper surface of the connecting plate 613, closing plates 614 are arranged at two ends of the first smoothing plate 611 and the second smoothing plate 612, and two ends of the compacting roller 62 are rotatably connected with the closing plates 614. After the hydraulic cylinder 64 drives and adjusts the position of the leveling sleeve plate 61, in the movement process of the whole device, the first leveling plate 611 and the second leveling plate 612 play the role of a scraper plate, and the asphalt mixture higher than the bottom surfaces of the first leveling plate 611 and the second leveling plate 612 is pushed forward, so that the leveling work is realized; the bottom of the first smoothing plate 611 is generally flush with the bottom of the compacting roller 62, and the compacting roller 62 performs primary compaction on the asphalt mixture smoothed by three times to improve the later-stage road flatness.

as shown in fig. 1 and 3, in the process of leveling the asphalt mixture, a certain amount of asphalt mixture is pushed forward by the first leveling plate 611, and in order to reduce the occurrence of a large amount of asphalt mixture accumulation at the first leveling plate 611, a chamfer angle 6111 is provided at the bottom of the side of the first leveling plate 611 away from the compacting roller 62, and the chamfer angle 6111 extends from the side close to the compacting roller 62 to the side away from the compacting roller 62. The chamfer angle 6111 plays a certain guiding role for the asphalt mixture stacked at the first strike plate 611, so that the asphalt mixture rolls forward, falls down again and is leveled again, and the stacking amount of the asphalt mixture at the first strike plate 611 is reduced.

as shown in fig. 1 and 3, in the process of leveling by the filler device, the asphalt mixture is extruded to a certain extent, and to a certain extent, part of the asphalt mixture is agglomerated, and the agglomerated asphalt mixture directly affects the pavement flatness in the later period; a plurality of steel needles 6112 are uniformly arranged at the bottom end of the first leveling plate 611 along the length direction, and when the agglomerated asphalt mixture is encountered, the steel needles 6112 can play a role in breaking the agglomerated material, so that the asphalt mixture is laid more uniformly.

In addition, because bituminous mixture self has certain stickness, at whole in-process of pacifying, the adhesion can appear in helical blade 42 in bituminous mixture, the condition on first scraping wings 51 and the second scraping wings 52, when the device needs long distance operation, the bituminous mixture of adhesion can be more and more, thereby influence the effect of pacifying in later stage, helical blade 42, the surface of first scraping wings 51 and second scraping wings 52 all is equipped with the polytetrafluoroethylene layer, polytetrafluoroethylene has good non-adhesion, can reduce bituminous mixture and adhere to helical blade 42, first scraping wings 51 and second scraping wings 52, be favorable to the stability of whole device in long-time operation process.

The specific working process is as follows: mix the bituminous mixture in the mechanism 2 and spread the road surface from the blanking mouth on, carry and smooth mechanism 4 and realize smoothing the work for the first time to the bituminous mixture on the road surface, push pedal smooths mechanism 5 and realizes smoothing the work for the second time to the bituminous mixture on the road surface, supplementary smooth subassembly 6 realizes smoothing the work for the third time to the bituminous mixture on the road surface, the bituminous mixture who spreads on the road surface has experienced the cubic and has smoothed after the work, under the effect of flattening mechanism 3 at last, the bituminous mixture compaction on the road surface will be laid, the effectual fashioned roughness in road surface that has improved.

the present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. a municipal road asphalt laying device comprises a front frame (1), a material stirring mechanism (2) arranged at one end of the front frame (1) in the advancing direction, and a flattening mechanism (3) arranged at one end of the front frame (1) far away from the material stirring mechanism (2), wherein a material leakage opening (11) is formed in the middle of the front frame (1), and a filling device is arranged in the material leakage opening (11);

the method is characterized in that: the filling device comprises a conveying flattening mechanism (4) arranged at one end close to the stirring mechanism (2) and a push plate flattening mechanism (5) arranged at one end close to the flattening mechanism (3);

The conveying and smoothing mechanism (4) comprises two transmission shafts (41) which are arranged in parallel and spiral blades (42) which are arranged in the length direction of the transmission shafts (41), the axial direction of the transmission shafts (41) is vertical to the telecontrol direction of the device, and the spiral transmission directions of the two spiral blades (42) are opposite;

The push plate flattening mechanism (5) comprises a first push plate (51) and a second push plate (52) which are arranged on the inner side wall of the material leakage opening (11), and a first push cylinder (53) and a second push cylinder (54) which drive the first push plate (51) and the second push plate (52), wherein the first push plate (51) and the second push plate (52) are arranged on two sides of the material leakage opening (11), the moving direction of the first push plate (51) and the second push plate (52) is parallel to the axis direction of the transmission shaft (41), and the bottom edges of the first push plate (51) and the second push plate (52) are flush with the position of the axis of the transmission shaft (41).

2. the municipal road asphalt laying apparatus according to claim 2, wherein: preceding putting up (1) is close to the one end of flattening mechanism (3) and is equipped with supplementary subassembly (6) of pacifying, supplementary subassembly (6) of pacifying including establishing in the front of the flat lagging (61) of putting up (1) tip, setting up at the inside compaction roller (62) of pacifying lagging (61), set up promotion mouth (63) that are used for placing on preceding putting up (1) and pacify lagging (61), pneumatic cylinder (64) of setting on preceding putting up (1), the vertical setting of pneumatic cylinder (64) and its telescopic link move in vertical direction, be equipped with connecting rod (641) of L shape on the telescopic link of pneumatic cylinder (64), the one end that pneumatic cylinder (64) were kept away from in connecting rod (641) is connected with the flat lagging (61).

3. The municipal road asphalt laying apparatus according to claim 2, wherein: the hydraulic cylinders (64) are arranged in two and are symmetrically arranged relative to the center of the width direction of the front frame (1).

4. The municipal road asphalt laying apparatus according to claim 2, wherein: the flattening sleeve plate (61) comprises a first flattening plate (611) vertically arranged, a second flattening plate (612) arranged in parallel with the first flattening plate (611), and a connecting plate (613) connected with the first flattening plate (611) and the second flattening plate (612) and horizontally arranged, wherein the connecting rod (641) is connected with the upper surface of the connecting plate (613), closing plates (614) are arranged at two ends of the first flattening plate (611) and the second flattening plate (612), and two ends of the compaction roller (62) are rotatably connected with the closing plates (614).

5. The municipal road asphalt laying apparatus according to claim 4, wherein: the bottom of the first smoothing plate (611) is flush with the bottom of the compacting roller (62).

6. The municipal road asphalt laying apparatus according to claim 4, wherein: the bottom of one side, far away from the compacting roller (62), of the first smoothing plate (611) is provided with a chamfer angle (6111), and the chamfer angle (6111) extends from one side close to the compacting roller (62) to one side far away from the compacting roller (62).

7. the municipal road asphalt laying apparatus according to claim 6, wherein: the bottom end of the first smoothing plate (611) is uniformly provided with a plurality of steel needles (6112) along the length direction.

8. The municipal road asphalt laying apparatus according to claim 4, wherein: the surfaces of the helical blade (42), the first material pushing plate (51) and the second material pushing plate (52) are all provided with polytetrafluoroethylene layers.