CN215976705U

CN215976705U - Pavement paving machine for paving asphalt on cement pavement

Info

Publication number: CN215976705U
Application number: CN202122206135.1U
Authority: CN
Inventors: 武钢义; 王灏喆; 常少华; 黄灿; 代育恒; 车轮; 崔晓龙; 张艳光
Original assignee: Road and Bridge International Co Ltd; China Communication South Road and Bridge Co Ltd
Current assignee: Road and Bridge International Co Ltd; China Communication South Road and Bridge Co Ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-03-08
Anticipated expiration: 2031-09-13

Abstract

The utility model belongs to the technical field of road surface construction, and relates to a road surface paving loader for additionally paving asphalt on a cement road surface, which comprises a moving mechanism, wherein a stone breaking mechanism, a cleaning mechanism, a geotextile paving mechanism and a road pressing mechanism are integrated on the moving mechanism, and the stone breaking mechanism is positioned on the front side of the moving mechanism and is used for rolling an old mixed-mud road surface; the cleaning mechanism is positioned at the middle bottom of the moving mechanism and is arranged behind the stone crushing mechanism and used for cleaning crushed stones generated by the stone crushing mechanism; the geotextile laying mechanism is positioned at the bottom of the moving mechanism and then positioned in the cleaning mechanism and is used for laying geotextile; the road pressing mechanism is arranged on the rear side of the moving mechanism and is juxtaposed to the geotextile laying mechanism and used for pressing the old concrete plate surface on which the geotextile is laid. The pavement paving machine simplifies the complex paving process in the process of paving asphalt on the cement pavement, effectively reduces the construction time and saves the construction cost.

Description

Pavement paving machine for paving asphalt on cement pavement

Technical Field

The utility model belongs to the technical field of road pavement construction, and particularly relates to a pavement paving loader for paving asphalt on a cement pavement.

Background

The asphalt overlay can effectively improve the service performance of the old cement concrete pavement, improve the comfort of the pavement, fully utilize the strength of the old cement concrete pavement, and has the advantages of low cost, convenient construction and little influence on traffic and environment. Therefore, the method is most applied to old cement concrete pavement modification projects at home and abroad. However, the asphalt overlay at the joint of the old cement concrete pavement is easy to generate reflection cracks, so that the service life of the overlay is shortened, and the pavement is cracked after two or three years of improper engineering. After the reflection cracks appear on the pavement, the reflection cracks have little influence on the service performance of the additional layer, but the negative effect of environmental factors (rain, oxidation and the like) often causes the cracks to rapidly expand to the periphery, thereby shortening the service life of the additional layer. Thus, reflection cracks are a difficult problem for the old cement concrete asphalt overlay.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a pavement paving machine for paving asphalt on a cement pavement, which is used for solving the problem that a reflection crack is easily generated on an asphalt paving layer at a joint of an old cement concrete pavement due to influence factors such as temperature and load. And thus, the service life of the overlay layer is prolonged, and meanwhile, the complicated construction engineering can be simplified, the construction time is shortened, and the construction cost is saved.

In order to achieve the purpose, the utility model provides a pavement paving loader for paving asphalt on a cement pavement, which comprises a moving mechanism, wherein a stone breaking mechanism, a cleaning mechanism, a geotextile paving mechanism and a road roller mechanism are integrated on the moving mechanism, and the stone breaking mechanism is positioned on the front side of the moving mechanism and is used for rolling an old mixed-soil pavement; the cleaning mechanism is positioned at the middle bottom of the moving mechanism and is arranged behind the stone crushing mechanism and used for cleaning crushed stones generated by the stone crushing mechanism; the geotextile laying mechanism is positioned at the bottom of the moving mechanism and then positioned in the cleaning mechanism and is used for laying geotextile; the road pressing mechanism is arranged on the rear side of the moving mechanism and is juxtaposed to the geotextile laying mechanism and used for compacting the old concrete plate surface on which the geotextile is laid.

Further, the moving mechanism is composed of a bottom plate, a cabin, moving wheels and a first rotating shaft, wherein the cabin and the first rotating shaft are both arranged on the bottom plate, and the moving wheels are arranged on the first rotating shaft.

Further, rubble mechanism comprises fixed plate, first loop bar, garrulous stone cylinder, and the fixed plate is established on the bottom plate, and the rubble cylinder is established on first loop bar, and first bushing connection is on the fixed plate.

Furthermore, the cleaning mechanism is composed of a rotating rod and a cleaning plate, the rotating rod is rotatably arranged on the bottom plate, and the cleaning plate is fixedly connected to the rotating rod.

Further, geotechnical cloth lays the mechanism and comprises second loop bar, gyro wheel, and the gyro wheel is established on the second loop bar, and the second loop bar is installed on the bottom plate.

Further, the road pressing mechanism is composed of a side plate, a second rotating shaft and a road pressing roller, wherein the side plate is installed on the bottom plate, the second rotating shaft is arranged on the side plate, and the road pressing roller is arranged on the second rotating shaft.

The utility model has the beneficial effects that:

1. according to the pavement paving loader, the stone crushing mechanism, the geotextile paving mechanism and the road pressing mechanism are arranged on the same moving mechanism, so that the integration of stone crushing, stone cleaning, geotextile paving and compacting is realized, the previous complicated construction process is simplified, the labor input can be effectively reduced, the construction period is shortened, and the construction cost is saved.

2. The gravel cleaning mechanism of the pavement paving machine can control the inclination of the cleaning plate through the rotating rod, so that gravel residues treated by the gravel mechanism can be flexibly and effectively cleaned to one side of a vehicle ground, and the construction operation of the other side of a road is not influenced while the gravel residue ground is treated in time to prepare for the subsequent earth and stone cloth laying work.

3. The road surface paving machine can lead water flow to pass through and effectively intercept soil particles, fine sand, small stones and the like by paving the geotextile on the broken stones; the concentrated stress is effectively diffused to be transferred or decomposed, and the added layer is prevented from being damaged or cracked under the load effect; the geotextile can enhance the tensile strength and the deformation resistance of the overlay layer to resist the tensile stress or the compressive stress of the old concrete slab caused by temperature change. Thereby prolonging the service life of the overlay and reducing the maintenance cost in the later period.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.

Drawings

For the purposes of promoting a better understanding of the objects, aspects and advantages of the utility model, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:

FIG. 1 is a side view of a paving machine for use with the present invention;

FIG. 2 is a top view of the pavement paving machine of the present invention;

FIG. 3 is a schematic structural view of a ballast cleaning mechanism of the road paving machine of the present invention;

reference numerals: 1. a moving mechanism; 2. a stone breaking mechanism; 3. a cleaning mechanism; 4. a geotextile laying mechanism; 5. a road rolling mechanism; 101. a base plate; 102. a cabin; 103. a moving wheel; 104. a first rotating shaft; 201. a fixing plate; 202. a first loop bar; 203. A stone crushing roller; 301. rotating the rod; 302. cleaning the plate; 401. a second loop bar; 402. a roller; 501. a side plate; 502. a second rotating shaft; 503. road roller.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.

Wherein the showings are for the purpose of illustrating the utility model only and not for the purpose of limiting the same, and in which there is shown by way of illustration only and not in the drawings in which there is no intention to limit the utility model thereto; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1 to 3, in the pavement paving machine for paving asphalt on a cement pavement according to this embodiment, a moving mechanism 1, a stone breaking mechanism 2, a cleaning mechanism 3, a geotextile paving mechanism 4, and a road rolling mechanism 5 are integrated together, that is: the stone breaking mechanism 2 is positioned on the front side of the moving mechanism 1 and is used for rolling an old concrete pavement; the cleaning mechanism 3 is positioned at the middle bottom of the moving mechanism 1, is arranged behind the stone crushing mechanism 2 and is used for cleaning crushed stones generated by the stone crushing mechanism; the geotextile laying mechanism 4 is positioned at the bottom of the moving mechanism 1 and is arranged at the cleaning mechanism 3 after being positioned, and is used for laying geotextile; the road roller mechanism 5 is positioned at the rear side of the moving mechanism 1 and behind the geotextile laying mechanism 4, is used for compacting the old concrete plate surface on which geotextile is laid, and is also used as a walking part in the moving mechanism 1.

Adopt above-mentioned scheme, this road surface paver is through concentrating on moving mechanism 1 with rubble device 2, clearance mechanism 3, geotechnological cloth laying mechanism 4 and road roller mechanism 5, in order to form integrative setting, and rubble mechanism 2 sets up in moving mechanism 1 front side, clearance mechanism 3 and geotechnological cloth laying mechanism 4 all set up in moving mechanism 1 downside, road roller mechanism 5 sets up in moving mechanism 1 rear side, like this, can handle the broken place of old cement concrete road surface, concentrate the stress that leads to the fact old concrete road surface and improve, also in time lay geotechnological cloth in the road surface and carry out the compaction simultaneously, resist tensile stress or the compressive stress that old concrete slab produced because of temperature variation. Thereby prolonging the service life of the overlay and reducing the maintenance cost in the later period. Therefore, the whole device achieves integral harmonious operation, and the added layer of the waste concrete pavement is optimized.

Specifically, the moving mechanism 1 is composed of a bottom plate 101, a cabin 102, two moving wheels 103 and a first rotating shaft 104, wherein the cabin 102 and the first rotating shaft 104 are both arranged on the bottom plate 101, the two moving wheels 103 are arranged on the first rotating shaft 104, and the two moving wheels 103 are respectively arranged in front of and behind the bottom plate 101. So set up, the first pivot of cabin control is rotated and is driven the removal wheel and rotate to this road surface paver removes.

The stone breaking mechanism 2 is composed of a fixing plate 201, a first sleeve rod 202 and a stone breaking roller 203, the fixing plate 201 is fixedly installed on the base plate 101, the stone breaking roller 203 is sleeved on the first sleeve rod 202, and the first sleeve rod 202 is connected to the fixing plate 201, so that the stone breaking roller 203 runs in front of the moving wheel 103 under the movement of the moving mechanism 1 to crush and destroy an old concrete pavement. So set up, when meetting old and useless concrete road surface crack, can open rubble mechanism and make the rubble cylinder pass at old and useless muddy soil road surface for arrange gear form on the rubble cylinder and protruding, pierce old and useless muddy earth surface, destroy the old and useless muddy soil road surface that has the crack into the rubble of one, thereby accomplish the rubble work to old and useless muddy earth.

Clearance mechanism 3 then is by rotary rod 301, clearance board 302 is constituteed, rotary rod 301 is rotatable establishes on bottom plate 101, clearance board 302 then the rigid coupling on rotary rod 301, accessible rotary rod 301 is for bottom plate 101 adjustment rotation degree, thereby change the gradient of clearance board on the horizontal plane, and then make the clearance board incline to one side of moving mechanism as required, so that it can drive the rubble piece along with moving mechanism walking in-process and to the clearance of moving mechanism one side direction. So set up, the rotary rod can play and connect the fixed action, links to each other clearance board and moving mechanism, and is fixed in the rotary connecting rod downside. When equipment operation, the angle of skew about the rubble clearance board is adjusted to the rotatory connecting rod of the rotatory adjusting device of current ripe machinery of accessible, and when moving mechanism impeld forward, the rubble will remove along the clearance board to push away the rubble residue and clear up to work vehicle one side, guarantee the safe construction of opposite side when preparing for subsequent earth and stone cloth operation.

The geotextile laying mechanism 4 is composed of a second loop bar 401 and a roller 402, the roller 402 is sleeved on the second loop bar 401, the second loop bar 401 is installed on the bottom plate 101, and the geotextile laid on the roller 402 is laid on the old concrete pavement along with the geotextile laid on the old concrete pavement in the traveling process of the geotextile laying mechanism 1. So set up, after rubble mechanism accomplished rubble and clearance operation, the gyro wheel rotates, will surround on the even old concrete slab that paves of geotechnological cloth on the gyro wheel. The geotextile is spread on the old concrete plate to enable water flow to pass through, so that soil particles, fine sand, small stones and the like can be effectively intercepted; the concentrated stress is effectively diffused, transferred or decomposed, and the added layer is prevented from being damaged or cracked under the load effect; the geotextile can enhance the tensile strength and the deformation resistance of the overlay layer to resist the tensile stress or the compressive stress of the old concrete slab caused by temperature change. Thereby prolonging the service life of the overlay and reducing the maintenance cost in the later period.

The road pressing mechanism 5 is composed of a side plate 501, a second rotating shaft 502 and a road pressing roller 503, wherein the side plate 501 is installed on the bottom plate 101, the second rotating shaft 502 is installed on the side plate 501, the road pressing roller 503 is sleeved on the second rotating shaft 502, the road pressing roller 503 is used as a walking part of the moving mechanism 1, and the old concrete board surface is compacted when the road pressing roller walks along with the moving mechanism 1. So set up, geotechnological cloth lays the mechanism and accomplishes the effect after, presses the roller to carry out compaction work to laying the old concrete slab of accomplishing geotechnological cloth under moving mechanism's drive. Thereby reducing the void volume of geotechnical cloth and old concrete slab for geotechnical cloth can hug closely old concrete slab.

In another embodiment, since the road rolling mechanism 5 is provided with the road rolling drum 503, the road rolling drum 503 can be used as a walking part of the moving mechanism 1, so that the moving mechanism can have a stable moving effect only by adopting a moving wheel 103 to be matched with the road rolling drum 503 in a front-back corresponding manner, namely, the road rolling drum of the road rolling mechanism is used for assisting the coordinated moving mechanism to walk, thereby being beneficial to simplifying equipment and saving cost.

When the movable mechanism works, in the walking process, when a waste concrete pavement crack is met, the stone breaking mechanism is started to enable the stone breaking roller to run over the waste concrete pavement, the offset angle of the cleaning plate of the cleaning mechanism is controlled to push away and clean stone breaking residues to one side of a working vehicle, the geotextile is correspondingly laid, and the compaction work is carried out on the old concrete plate on which the geotextile is laid by matching with the road rolling mechanism. Therefore, the road surface paving and loading machine can immediately carry out the geotextile laying work and the compaction work after the old concrete plate is partially destroyed and cleaned. The complicated laying process in the process of additionally laying asphalt on the cement road surface is simplified, the construction time is effectively reduced, and the construction cost is saved. And the geotextile laying mechanism is used for laying geotextile after the gravel operation is finished to prevent the asphalt overlay layer at the joint of the old cement concrete pavement from generating reflection cracks and prolong the service life of the overlay layer.

Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.

Claims

1. The pavement paving machine for additionally paving asphalt on the cement pavement comprises a moving mechanism (1), and is characterized in that a stone breaking mechanism (2), a cleaning mechanism (3), a geotextile paving mechanism (4) and a road pressing mechanism (5) are integrated on the moving mechanism, and the stone breaking mechanism is positioned on the front side of the moving mechanism and used for pressing the old concrete pavement; the cleaning mechanism is positioned at the middle bottom of the moving mechanism and is arranged behind the stone crushing mechanism and used for cleaning crushed stones generated by the stone crushing mechanism; the geotextile laying mechanism is positioned at the bottom of the moving mechanism and then positioned in the cleaning mechanism and is used for laying geotextile; the road pressing mechanism is arranged on the rear side of the moving mechanism and is juxtaposed to the geotextile laying mechanism and used for compacting the old concrete plate surface on which the geotextile is laid.

2. The machine for spreading a pavement for laying asphalt on a cement pavement according to claim 1, wherein the moving mechanism comprises a base plate (101), a cabin (102), moving wheels (103), and a first rotating shaft (104), wherein the cabin and the first rotating shaft are both disposed on the base plate, and the moving wheels are disposed on the first rotating shaft.

3. The machine as claimed in claim 2, wherein the breaker mechanism comprises a fixed plate (201) disposed on the base plate, a first sleeve (202) disposed on the first sleeve, and a breaker drum (203) connected to the fixed plate.

4. The machine as claimed in claim 2, wherein the cleaning mechanism comprises a rotating rod (301) rotatably mounted on the base plate and a cleaning plate (302) fixedly mounted on the rotating rod.

5. The machine for spreading a road surface for laying asphalt on a cement road surface according to claim 2, wherein the geotextile laying mechanism is composed of a second loop bar (401) and a roller (402), the roller is arranged on the second loop bar, and the second loop bar is arranged on the bottom plate.

6. The machine of claim 2, wherein the roller mechanism comprises a side plate (501), a second shaft (502), and a roller (503), the side plate is mounted on the bottom plate, the second shaft is disposed on the side plate, and the roller is disposed on the second shaft.