CN219364236U

CN219364236U - Asphalt pavement construction device

Info

Publication number: CN219364236U
Application number: CN202320537019.4U
Authority: CN
Inventors: 罗东; 胡越城; 吴雪静; 沈成奥
Original assignee: Zhejiang Hengherui Construction Engineering Co ltd
Current assignee: Zhejiang Hengherui Construction Engineering Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-07-18
Anticipated expiration: 2033-03-20

Abstract

The utility model discloses an asphalt pavement construction device, which comprises a base, wherein a storage tank and a high-pressure pump are arranged on the base; the bottom of the storage tank is connected with a high-pressure pump through a guide pipe, a liquid outlet end of the high-pressure pump is connected with a spray head through a discharge pipe, a rotating shaft is arranged in the spray head, a bearing is arranged outside the rotating shaft, and an outer ring of the bearing is connected with the inner wall of the spray head through a plurality of mounting strips; the end part of the rotating shaft is fixedly sleeved with a mounting ring, the outer ring of the mounting ring is provided with a plurality of rotating blades, and each rotating blade is obliquely arranged. The utility model can crush asphalt sediment, so that sprayed asphalt is finer and more uniform, and the spraying effect of asphalt is improved.

Description

Asphalt pavement construction device

Technical Field

The utility model relates to the technical field of road construction, in particular to an asphalt pavement construction device.

Background

Asphalt is a blackish brown complex mixture composed of hydrocarbon compounds with different molecular weights and nonmetallic derivatives thereof, is one of high-viscosity organic liquids, has stronger waterproof, dampproof and corrosion-proof performances, and is widely applied to the fields of road pavement, etc.

In the course of asphalt pavement construction, asphalt is generally sprayed on the road surface along the way by an asphalt spraying vehicle, for example, chinese patent publication No. CN107620246a discloses an asphalt spraying vehicle which pumps asphalt in a bin into a nozzle by a high-pressure pump and then sprays the asphalt onto the pavement. Because asphalt has certain viscosity, in the actual construction process, asphalt is stored in the material box for a long time, some lump-shaped sediments can be formed, and the asphalt sediments can not be treated by the device when asphalt is sprayed out, so that uneven spraying can occur in the asphalt spraying process, and the construction effect of asphalt pavement is affected.

Disclosure of Invention

The utility model aims to provide an asphalt pavement construction device. The utility model can crush asphalt sediment, so that sprayed asphalt is finer and more uniform, and the spraying effect of asphalt is improved.

The technical scheme of the utility model is as follows: the asphalt pavement construction device comprises a base, wherein a storage tank and a high-pressure pump are arranged on the base; the bottom of the storage tank is connected with a high-pressure pump through a guide pipe, a liquid outlet end of the high-pressure pump is connected with a spray head through a discharge pipe, a rotating shaft is arranged in the spray head, a bearing is arranged outside the rotating shaft, and an outer ring of the bearing is connected with the inner wall of the spray head through a plurality of mounting strips; the end part of the rotating shaft is fixedly sleeved with a mounting ring, the outer ring of the mounting ring is provided with a plurality of rotating blades, and each rotating blade is obliquely arranged.

In the asphalt pavement construction device, the spray head is provided with an inlet and an outlet, and the inlet of the spray head is connected with the discharge pipe.

In the asphalt pavement construction device, the inlet of the spray head is provided with a step, and external threads are arranged in the step; the inner wall of the discharge pipe is provided with internal threads matched with the steps.

In the asphalt pavement construction device, the sealing ring is arranged on the inner wall of the step.

In the asphalt pavement construction device, the end part of the rotating shaft is provided with the diversion cone, and the tip end of the diversion cone faces to one side of the inlet of the spray head.

In the asphalt pavement construction device, the rotating blades are of a sheet-shaped structure with a twisted middle part, and the rotating blades are distributed on the surface of the mounting ring at equal intervals.

In the asphalt pavement construction device, the caliber of the inlet of the spray head is larger than that of the outlet.

Compared with the prior art, the utility model has the following beneficial effects:

1. in the utility model, a rotating shaft is arranged in a spray head, a bearing is arranged outside the rotating shaft, an outer ring of the bearing is connected with the inner wall of the spray head through a plurality of mounting bars, a mounting ring is fixedly sleeved at the end part of the rotating shaft, a plurality of rotating blades are arranged on the outer ring of the mounting ring, and each rotating blade is obliquely arranged. After the asphalt with high flow rate enters the spray head, the rotating blades can be impacted, and the middle parts of the rotating blades are of a twisted structure and are obliquely arranged, so that after the asphalt is impacted, the rotating blades are driven to rotate by radial thrust force She Hui. The rotating blades can break up the lump-shaped asphalt blocks in the rotating process, so that asphalt can only flow through gaps among the rotating blades, and further asphalt sprayed by the spray head is finer and more uniform, and the spraying effect of the asphalt is improved. In addition, in the utility model, the treatment of the asphalt fully utilizes the kinetic energy of the asphalt in flowing, realizes reasonable utilization of energy and saves resources.

2. In the utility model, the end part of the rotating shaft is provided with the diversion cone, the tip end of the diversion cone faces to one side of the inlet of the spray head, and asphalt in the middle part can flow around along the conical surface of the diversion cone and impact the rotating blades.

3. According to the utility model, the spray head is provided with the inlet and the outlet, the caliber of the inlet of the spray head is larger than that of the outlet, and the caliber of the outlet is smaller, so that asphalt can be sprayed out in a slender and flowing shape, and a constructor can repair small areas such as pits or corners conveniently.

4. In the utility model, the inlet of the spray head is provided with a step, and the step is internally provided with external threads; the inner wall of the discharge pipe is provided with internal threads matched with the steps, so that the spray head can be conveniently detached, maintained and replaced. The inner wall of step is provided with the sealing washer, can improve the leakproofness of shower nozzle and exhaust pipe junction, reduces the condition that oozes liquid weeping and appears.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a spray head according to the present utility model;

FIG. 3 is a schematic diagram illustrating the assembly of the spindle and the inner wall of the nozzle according to the present utility model.

The marks in the drawings are: 1-a storage tank; 2-a catheter; 3-high pressure pump; 4-a discharge pipe; 5-spray head; 501-an inlet; 502-outlet; 6-rotating blades; 7-steps; 701-external threads; 8-a diversion cone; 9-mounting ring; 10-sealing rings; 11-mounting bars; 12-a bearing; 13-a rotating shaft; 14-a base.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

Examples: an asphalt pavement construction apparatus, as shown in fig. 1, comprises a base 14, wherein the base 14 can be arranged on an engineering vehicle for construction, and asphalt is sprayed along the road along with the running of the vehicle. A storage tank 1 and a high-pressure pump 3 are arranged on the base 14, wherein the storage tank 1 is used for storing asphalt; the bottom of holding vessel 1 is connected with high-pressure pump 3 through pipe 2, and the liquid outlet end of high-pressure pump 3 is connected with shower nozzle 5 through exhaust pipe 4, and exhaust pipe 4 is made by the rubber hose to exhaust pipe 4 is long enough, makes things convenient for the staff to adjust the position of shower nozzle 5. As shown in fig. 2, the spray head 5 has an inlet 501 and an outlet 502, the caliber of the inlet 501 of the spray head 5 is larger than that of the outlet 502, the caliber of the outlet 502 is smaller, asphalt can be sprayed out in a slender flow shape, a constructor can repair small areas such as pits or corners conveniently, and the inlet 501 of the spray head 5 is connected with the discharge pipe 4. The inlet 501 of the spray head 5 is provided with a step 7, and external threads 701 are arranged in the step 7; the inner wall of the discharge pipe 4 is provided with internal threads matched with the step 7, so that the spray head 5 is convenient to detach, maintain and replace. The inner wall of step 7 is provided with sealing washer 10, can improve the leakproofness of shower nozzle 5 and exhaust pipe 4 junction, reduces the condition that oozes liquid weeping appears.

As shown in fig. 3, a rotating shaft 13 is arranged in the spray head 5, a bearing 12 is arranged outside the rotating shaft 13, an inner ring of the bearing 12 is connected with the rotating shaft 13, and an outer ring of the bearing 12 is connected with the inner wall of the spray head 5 through a plurality of mounting strips 11; the fixed cover in tip of pivot 13 is equipped with collar 9, and the outer lane of collar 9 is provided with a plurality of rotating leaves 6, and every rotating leaf 6 all inclines to set up, rotating leaf 6 is the sheet structure of middle part distortion to rotating leaf 6 equidistant distribution is on the surface of collar 5. The end of the rotating shaft 13 is provided with a diversion cone 8, the tip of the diversion cone 8 faces to one side of the inlet 501 of the spray head 5, and asphalt in the middle can flow around along the conical surface of the diversion cone 8 and impact the rotating blades 6.

Working principle: in use, asphalt in the storage tank 1 is pumped out by the high-pressure pump 3 and pumped into the discharge pipe 4 at a high flow rate, and finally sprayed to a construction area by the spray head 5. After the asphalt with high flow rate enters into the spray head 5, the rotating blade 6 can be impacted, and as the middle part of the rotating blade 6 is of a twisted structure and the rotating blade 6 is obliquely arranged, the rotating blade 6 can be subjected to radial thrust after being impacted by the asphalt, so that the rotating blade 6 is driven to rotate. The rotating blades 6 can break up the lump-shaped asphalt blocks in the rotating process, so that asphalt can only flow through gaps among the rotating blades 6, and further asphalt sprayed by the spray head 5 is finer and more uniform, and the spraying effect of the asphalt is improved. In addition, in the utility model, the treatment of the asphalt fully utilizes the kinetic energy of the asphalt in flowing, realizes reasonable utilization of energy and saves resources.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the scope of the claims of the present utility model should be included in the scope of the present utility model.

Claims

1. The asphalt pavement construction device comprises a base (14), wherein a storage tank (1) and a high-pressure pump (3) are arranged on the base (14); the bottom of holding vessel (1) is connected with high-pressure pump (3) through pipe (2), and the play liquid end of high-pressure pump (3) is connected with shower nozzle (5) through blow off pipe (4), its characterized in that: a rotating shaft (13) is arranged in the spray head (5), a bearing (12) is arranged outside the rotating shaft (13), and the outer ring of the bearing (12) is connected with the inner wall of the spray head (5) through a plurality of mounting strips (11); the end part of the rotating shaft (13) is fixedly sleeved with a mounting ring (9), the outer ring of the mounting ring (9) is provided with a plurality of rotating blades (6), and each rotating blade (6) is obliquely arranged.

2. The asphalt pavement construction apparatus according to claim 1, wherein: the spray head (5) is provided with an inlet (501) and an outlet (502), and the inlet (501) of the spray head (5) is connected with the discharge pipe (4).

3. The asphalt pavement construction apparatus according to claim 2, wherein: an inlet (501) of the spray head (5) is provided with a step (7), and an external thread (701) is arranged in the step (7); the inner wall of the discharge pipe (4) is provided with internal threads matched with the steps (7).

4. The asphalt pavement construction apparatus according to claim 3, wherein: the inner wall of the step (7) is provided with a sealing ring (10).

5. The asphalt pavement construction apparatus according to claim 2, wherein: the end of the rotating shaft (13) is provided with a diversion cone (8), and the tip of the diversion cone (8) faces one side of an inlet (501) of the spray head (5).

6. The asphalt pavement construction apparatus according to claim 1, wherein: the rotating blades (6) are of a sheet-shaped structure with a twisted middle part, and the rotating blades (6) are distributed on the surface of the mounting ring (9) at equal intervals.

7. The asphalt pavement construction apparatus according to claim 2, wherein: the caliber of an inlet (501) of the spray head (5) is larger than that of an outlet (502).