Asphalt pavement base layer compacting device

Abstract

The utility model provides an asphalt pavement base layer compacting device which comprises a shaft sleeve and a compression roller, the compression roller is movably connected to the inner side of the shaft sleeve, a connector is fixedly connected to the front of the shaft sleeve, and a first rear arm and a second rear arm are fixedly connected to the rear of the shaft sleeve. The device has the advantages that synchronous film covering after compaction of an asphalt base layer is achieved, the working efficiency is improved, meanwhile, the spraying structure is arranged between the film laying structure and the pressing roller, the first spraying head and the second spraying head can spray a small amount of water mist, the water mist sprayed by the first spraying head wets a plastic film, and the water mist sprayed by the second spraying head wets the plastic film. The asphalt base layer is wetted by water mist sprayed by the second spraying head, and the surface of the asphalt pavement and the surface of the plastic film are slightly wetted, so that the film coating material can be better attached to the pavement during adhesion, and the adhesion effect and stability of the film coating are improved. And the wet surface is beneficial to adhesion of a film covering material, bubbles and wrinkles are reduced, and the covering film is smoother and more attractive.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt pavement construction, in particular to a device for compacting the base of an asphalt pavement. Background Art

[0002] In the prior art, the road surface compacting device is generally provided with a subsequent film coating mechanism to perform a synchronous film coating process after the asphalt road surface is compacted, so that a plastic film is coated on the asphalt road surface.

[0003] Its significance is to effectively prevent water evaporation and surface drying, keep the concrete at a certain humidity, and help the early strength development of concrete. This can ensure that the road surface is more solid and smooth, and improve the overall quality of the road surface.

[0004] However, bubbles and wrinkles often appear in the plastic film during the coating process. The reason is that the plastic film has poor fit and adhesion to the asphalt pavement. Therefore, a new device for compacting the asphalt pavement base is proposed to solve the above problems. The film is coated simultaneously while the asphalt pavement is compacted, and the plastic is more closely fitted to the asphalt pavement, with better stability. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the utility model is to provide a device for compacting asphalt pavement base layer to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of the utility model provides a device for compacting asphalt pavement base, including a shaft sleeve and a pressure roller, wherein the inner side of the shaft sleeve is movably connected to the pressure roller, and the front side of the shaft sleeve is fixedly connected to a joint;

[0008] The rear of the sleeve is fixedly connected with a first rear arm and a second rear arm, and the inner side of the first rear arm is fixedly connected with a main shaft;

[0009] The outer side of the second rear arm is detachably connected with a shaft plate, and the main shaft is plugged into the shaft plate;

[0010] A bolt is inserted at the connection between the shaft plate and the second rear arm, and a nut is threadedly connected to the end of the bolt;

[0011] The outer surface of the main shaft is movably connected to a film roller, the inner side of the shaft plate is fixedly connected to a water pipe, the outer surface of the water pipe is fixedly connected to a plurality of connecting rings, one side of the connecting ring is fixedly connected to a first spray head, the bottom of the connecting ring is fixedly connected to a second spray head, and the first spray head faces the film roller.

[0012] Preferably, any of the above schemes is that the shaft sleeve is welded to the joint, and the joint is provided with two rows of docking holes.

[0013] Adopting the above technical solution: this device is specially used for compacting the asphalt base of asphalt pavement, and the joint is connected to the connection structure at the rear of the traction vehicle through a bolt and nut structure, and the traction vehicle can be a tractor, etc.

[0014] Preferably, in any of the above schemes, the first rear arm is parallel to the second rear arm, and the second rear arm is connected to the shaft plate via bolts and nuts.

[0015] Adopting the above technical solution: the core structure of the device for compacting the asphalt base of the asphalt pavement is the pressure roller, which is made of alloy steel. It has a certain downward pressure on the asphalt base of the asphalt pavement, so that friction and extrusion force are generated between the pressure roller and the pavement. This friction and extrusion force can rearrange the particles of the pavement material to make it more compact, thereby achieving the purpose of compaction.

[0016] Preferably, any of the above schemes is that the nut is tightened on the inner side of the second rear arm, and the film roller is composed of a film core movably connected to the main shaft and a plastic film wrapped around the outer surface of the film core.

[0017] Preferably, any of the above schemes is that a sleeve for sleeve-connecting an end of a water pipe is fixedly connected to the inner side of the first rear arm, the water pipe is arranged transversely, and a hose is fixedly connected to the end of the water pipe.

[0018] Adopting the above technical scheme: the core structure of the device is: pressure roller, first rear arm, second rear arm, shaft plate, bolt, nut, film roller, water pipe, connecting ring, first spray head, second spray head. The core advantage of the device is: a film laying structure is set behind the pressure roller, which is composed of the first rear arm, the second rear arm, the shaft plate, bolt, nut, and film roller, which can realize the synchronous film coating after the asphalt base is compacted, and improve the work efficiency. At the same time, a spray structure is set between the film laying structure and the pressure roller, and the first spray head and the second spray head can spray a trace of water mist. The water mist sprayed by the first spray head wets the plastic film, and the water mist sprayed by the second spray head wets the asphalt base. The surface of the asphalt pavement and the surface of the plastic film are slightly moistened, so that the film coating material can better fit with the road surface when pasting, and improve the pasting effect and stability of the film coating. The moist surface is conducive to the adhesion of the film coating material, reduces the generation of bubbles and wrinkles, and makes the film coating smoother and more beautiful. The right amount of water can help the film coating material better penetrate into the tiny cracks and pores of the asphalt pavement, thereby improving the sealing performance of the film coating. This sealing can effectively prevent moisture, oxygen and other harmful substances from penetrating into the road surface, delay the aging and damage of asphalt, and protect the service life of the road surface.

[0019] Preferably, any of the above schemes includes an acute angle between the first spray head and the second spray head, and the second spray head is arranged vertically.

[0020] Preferably, any of the above schemes is that the second spray head and the first spray head spray conical spray.

[0021] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0022] The device for compacting the base layer of an asphalt pavement is provided with a pressure roller, a first rear arm, a second rear arm, an axle plate, a bolt, a nut, a film roller, a water pipe, a connecting ring, a first spray head, and a second spray head. A film-laying structure is provided behind the pressure roller, and the structure is composed of the first rear arm, the second rear arm, the axle plate, a bolt, a nut, and a film roller. Synchronous film coating can be achieved after the compaction of the asphalt base layer, thereby improving work efficiency. At the same time, a spray structure is provided between the film-laying structure and the pressure roller. The first spray head and the second spray head can spray a trace amount of water mist. The water mist sprayed by the first spray head wets the plastic film, and the water mist sprayed by the second spray head wets the asphalt base layer. The surface of the asphalt pavement and the surface of the plastic film are slightly moistened, so that the film-covering material can better fit the pavement when pasting, thereby improving the pasting effect and stability of the film coating. The moist surface is conducive to the adhesion of the film-covering material, reduces the generation of bubbles and wrinkles, and makes the film coating smoother and more beautiful. An appropriate amount of water can help the film-covering material better penetrate into the tiny cracks and pores of the asphalt pavement, thereby improving the sealing performance of the film coating. This sealing can effectively prevent moisture, oxygen and other harmful substances from penetrating into the road surface, delay the aging and damage of asphalt, and protect the service life of the road surface.

[0023] Additional aspects and advantages of the present invention will be given in part in the following description and in part will become apparent from the following description or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0025] Figure 1 It is a structural schematic diagram of the utility model from the first perspective;

[0026] Figure 2 It is a structural schematic diagram of the utility model from a second viewing angle;

[0027] Figure 3 It is a structural schematic diagram of the utility model from a third viewing angle;

[0028] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure at point A in the middle.

[0029] In the figure: 1-sleeve, 2-pressure roller, 3-joint, 4-first rear arm, 5-second rear arm, 6-main shaft, 7-shaft plate, 8-bolt, 9-nut, 10-film roller, 11-water pipe, 12-connecting ring, 13-first spray head, 14-second spray head. DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] like Figure 1-4 As shown, the device for compacting asphalt pavement base comprises a shaft sleeve 1 and a pressure roller 2. The pressure roller 2 is movably connected to the inner side of the shaft sleeve 1, and a joint 3 is fixedly connected to the front of the shaft sleeve 1.

[0033] The rear of the sleeve 1 is fixedly connected with a first rear arm 4 and a second rear arm 5, and the inner side of the first rear arm 4 is fixedly connected with a main shaft 6;

[0034] The outer side of the second rear arm 5 is detachably connected with a shaft plate 7, and the main shaft 6 is plugged into the shaft plate 7;

[0035] A bolt 8 is inserted at the connection between the shaft plate 7 and the second rear arm 5, and a nut 9 is threadedly connected to the end of the bolt 8;

[0036] The outer surface of the main shaft 6 is movably connected to a film roller 10, the inner side of the shaft plate 7 is fixedly connected to a water pipe 11, the outer surface of the water pipe 11 is fixedly connected to a plurality of connecting rings 12, one side of the connecting ring 12 is fixedly connected to a first spray head 13, the bottom of the connecting ring 12 is fixedly connected to a second spray head 14, and the first spray head 13 faces the film roller 10.

[0037] Embodiment 1: The shaft sleeve 1 is welded to the joint 3, and two rows of docking holes are opened on the joint 3. This device is specially used for compacting the asphalt base of asphalt pavement. The joint 3 is connected to the connection structure behind the traction vehicle through the bolt 8 and nut 9 structure. The traction vehicle can be a tractor, etc. The first rear arm 4 is parallel to the second rear arm 5, and the second rear arm 5 is connected to the shaft plate 7 through the bolt 8 and nut 9.

[0038] Embodiment 2: Nut 9 is tightened on the inner side of the second rear arm 5, and the film roller 10 is composed of a film core movably connected to the main shaft 6 and a plastic film wrapped around the outer surface of the film core. A sleeve for sleeve-connecting the end of a water pipe 11 is fixedly connected to the inner side of the first rear arm 4. The water pipe 11 is arranged horizontally, and a hose is fixedly connected to the end of the water pipe 11. The angle between the first spray head 13 and the second spray head 14 is an acute angle, and the second spray head 14 is arranged vertically. The second spray head 14 and the first spray head 13 spray a conical spray. A spray structure is arranged between the film laying structure and the pressure roller 2, and the first spray head 13 and the second spray head 14 can spray a trace of water mist. The water mist sprayed by the first spray head 13 wets the plastic film, and the water mist sprayed by the second spray head 14 wets the asphalt base layer. The surface of the asphalt pavement and the surface of the plastic film are slightly moistened, so that the film-coated material can better fit the pavement when pasting, thereby improving the pasting effect and stability of the film-coated. A moist surface is conducive to the adhesion of the covering material, reducing the generation of bubbles and wrinkles, making the covering smoother and more beautiful. The right amount of moisture can help the covering material better penetrate into the tiny cracks and pores of the asphalt pavement, thereby improving the sealing performance of the covering.

[0039] The working principle of the utility model is as follows:

[0040] The joint 3 is connected to the connection structure at the rear of the towing vehicle through the bolt 8 and nut 9 structure, and the towing vehicle can be a tractor, etc.;

[0041] The pressure roller 2 is made of alloy steel and exerts a certain downward pressure on the asphalt base of the asphalt pavement, so that friction and extrusion force are generated between the pressure roller 2 and the pavement. This friction and extrusion force can rearrange the particles of the pavement material to make it more compact, thereby achieving the purpose of compaction. A spray structure is set between the film laying structure and the pressure roller 2. The first spray head 13 and the second spray head 14 can spray a small amount of water mist. The water mist sprayed by the first spray head 13 wets the plastic film, and the water mist sprayed by the second spray head 14 wets the asphalt base. The surface of the asphalt pavement and the surface of the plastic film are slightly moistened, so that the film covering material can better fit the pavement when pasting, and the plastic film roll on the subsequent film roller 10 is laid on the asphalt pavement.

[0042] Compared with the prior art, the present invention has the following beneficial effects:

[0043] The device for compacting the asphalt pavement base layer is provided with a pressure roller 2, a first rear arm 4, a second rear arm 5, an axle plate 7, a bolt 8, a nut 9, a film roller 10, a water pipe 11, a connecting ring 12, a first spray head 13, and a second spray head 14. A film-laying structure is provided behind the pressure roller 2, and the structure is composed of the first rear arm 4, the second rear arm 5, the axle plate 7, the bolt 8, the nut 9, and the film roller 10. Synchronous film coating can be achieved after the asphalt base layer is compacted, thereby improving work efficiency. Meanwhile, a spray structure is provided between the film-laying structure and the pressure roller 2. The first spray head 13 and the second spray head 14 can spray a small amount of water mist. The water mist sprayed by the first spray head 13 wets the plastic film, and the water mist sprayed by the second spray head 14 wets the asphalt base layer. The surface of the asphalt pavement and the surface of the plastic film are slightly moistened, so that the film-coating material can better fit the pavement when pasting, thereby improving the pasting effect and stability of the film coating. The moist surface is conducive to the adhesion of the film-coating material, reduces the generation of bubbles and wrinkles, and makes the film coating smoother and more beautiful. The right amount of moisture can help the covering material better penetrate into the tiny cracks and pores of the asphalt pavement, thereby improving the sealing performance of the covering. This sealing can effectively prevent moisture, oxygen and other harmful substances from penetrating into the pavement, delay the aging and damage of asphalt, and protect the service life of the pavement.

Claims

1. A device for compacting asphalt pavement base, characterized in that: It comprises a shaft sleeve (1) and a pressure roller (2), wherein the inner side of the shaft sleeve (1) is movably connected to the pressure roller (2), and the front side of the shaft sleeve (1) is fixedly connected to a joint (3); A first rear arm (4) and a second rear arm (5) are fixedly connected to the rear of the shaft sleeve (1), and a main shaft (6) is fixedly connected to the inner side of the first rear arm (4); The outer side of the second rear arm (5) is detachably connected to a shaft plate (7), and the main shaft (6) is plugged into the shaft plate (7); A bolt (8) is inserted into the connection between the shaft plate (7) and the second rear arm (5), and a nut (9) is threadedly connected to the end of the bolt (8); The outer surface of the main shaft (6) is movably connected to a membrane roller (10), the inner side of the shaft plate (7) is fixedly connected to a water pipe (11), the outer surface of the water pipe (11) is fixedly connected to a plurality of connecting rings (12), one side of the connecting ring (12) is fixedly connected to a first spray head (13), the bottom of the connecting ring (12) is fixedly connected to a second spray head (14), and the first spray head (13) faces the membrane roller (10).

2. A device for compacting asphalt pavement base according to claim 1, characterized in that: The shaft sleeve (1) is welded to the joint (3), and the joint (3) is provided with two rows of butt holes.

3. The device for compacting asphalt pavement base according to claim 2, characterized in that: The first rear arm (4) is parallel to the second rear arm (5), and the second rear arm (5) is connected to the shaft plate (7) via a bolt (8) and a nut (9).

4. The device for compacting asphalt pavement base as claimed in claim 3, characterized in that: The nut (9) is tightened on the inner side of the second rear arm (5), and the film roller (10) is composed of a film core movably connected to the main shaft (6) and a plastic film wound on the outer surface of the film core.

5. The device for compacting asphalt pavement base according to claim 4, characterized in that: A sleeve for sleeve-connecting the end of a water pipe (11) is fixedly connected to the inner side of the first rear arm (4); the water pipe (11) is arranged transversely; and a hose is fixedly connected to the end of the water pipe (11).

6. The device for compacting asphalt pavement base as claimed in claim 5, characterized in that: The included angle between the first spray head (13) and the second spray head (14) is an acute angle, and the second spray head (14) is arranged vertically.

7. The device for compacting asphalt pavement base according to claim 6, characterized in that: The second spray head (14) and the first spray head (13) spray conical spray.

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