WO2017018565A1

WO2017018565A1 - Hybrid spreader having features of water sprinkler

Info

Publication number: WO2017018565A1
Application number: PCT/KR2015/008420
Authority: WO
Inventors: 정지윤
Original assignee: 정지윤
Priority date: 2015-07-29
Filing date: 2015-08-12
Publication date: 2017-02-02
Also published as: KR101590303B1

Abstract

Disclosed is a spreader (10) for road pavement, which is equipped with a self-water spraying system and an auger system so as to enable a water mixing spreading method, thereby being capable of stabilizing a sublayer, reducing working time to improve the economic efficiency and maximizing the quality improvement. Front and rear water tanks (32, 34) are arranged respectively in front of and behind an engine room (20) of the spreader (10); a hopper system (40) is arranged in front of the front water tank (32); a first auger system (50) is extended and disposed below the hopper system (40), the front water tank (32), and the engine room (20); caterpillars are arranged on both sides of the first auger system (50); a second auger system (70) is laterally arranged below the rear side of the engine room (20); and a screed (80) is arranged below the rear water tank (34). The spreader (10) is also applicable to the spreading of lean concrete for road pavement.

Description

Hybrid Spreader with Sprinkler Function

The present invention relates to a road paving spreader, and more particularly, by installing a sprinkling system for spraying water on aggregate to maintain a constant water content, and having an auger system for transferring the aggregate in the front-back direction and the left-right direction, It is possible to use the mixed laying method to stabilize the auxiliary base, and to reduce the working time, improve the economics, and maximize the road paving spreader.

In general, the asphalt pavement asphalt road consists of an auxiliary base layer, a base layer, a surface layer, and is constructed to have characteristics suitable for the purpose of use of the road. Asphalt pavement is a flexible pavement that refers to the operation of laying a heated asphalt mixture evenly over a built auxiliary layer.

Conventional asphalt pavement is a method of laying the aggregate using the motor grader equipment, after compaction using the vibratory roller to spray the aggregate using a sprinkler. When paving the road using the equipment according to the prior art, it is difficult to insert the sprinkler before compaction of the aggregate because it is impossible to advance the tire.

Due to this process limitation, water penetration is delayed in the compacted aggregate due to the compaction of the roller, and water flows to form fine grain layers such as stone powder, sand, and earth powder. It can be a factor to lower the.

In addition, due to the sprinkling water sprinkling water penetrates into the asphalt concrete layer in the form of a fine caption is formed, the aging of the asphalt is accelerated. In addition, the work time is delayed due to aberrations, and the daily amount is only 500 ~ 600m3. In addition, the aggregate treatment of the edge is impossible and the loss of the aggregate occurs, there is a problem that there is a lot of difference depending on the skill of the operator when the high flatness is required, and the linear maintenance of the edge is impossible.

The technical problem to be solved by the present invention, by spraying water on the aggregate is equipped with a watering system for maintaining a constant water content and by providing an auger system for transporting the aggregate in the front and rear and left and right directions, It is possible to stabilize the auxiliary base layer, shorten the working time to improve the economics, and to provide a road paving spreader that maximizes the quality improvement.

In order to solve the above technical problem, the present invention,

As a road spreading hybrid spreader,

Engine room with built-in engine and pump;

Front and rear water tanks disposed in front and rear of the engine room, respectively;

A hopper system disposed in front of the front water tank;

A primary auger system extending below the hopper system, the front water tank and the engine compartment;

Caterpillars disposed on both sides of the primary auger system;

A secondary auger system disposed laterally below the rear of the engine room; And

And a screed disposed below the rear water tank and having an aggregate compaction mechanism.

A plurality of first injection nozzles are installed on the front upper portion of the front water tank, and the first injection nozzles are fluidly connected to communicate with the front water tank, and the action of the pump is installed in the engine room. The water stored in the front water tank is characterized in that the spray on the aggregate transported by the primary auger system.

A plurality of second injection nozzles are installed on the front upper portion of the rear water tank, and the second injection nozzles are fluidly connected to communicate with the rear water tank, and by the action of the pump mounted inside the engine room, The water stored in the rear water tank is characterized in that it is sprayed on the aggregate transported to the left and right by the secondary auger system.

The primary auger system is characterized in that it comprises a front and rear auger spaced apart from each other and arranged in pairs in the longitudinal direction of the hybrid spreader.

The secondary auger system is characterized in that it comprises a single left and right moving auger arranged in the transverse direction of the hybrid spreader.

As mentioned above, the present invention is to maximize the economics and quality improvement by developing a hybrid sprayer with a new function integrating the existing aggregate laying method and equipment, and equipped with its own water tank and watering system 3 By embedding two augers, the water is properly sprayed on the aggregate, then the aggregate is evenly mixed and laid through screed to ensure the best quality control. Aggregate passed through the auger is laid flat by screed, and high flatness without modification is maintained even when the vibration roller is inserted by the first compaction of the damper and vibrator installed in the screed. In addition, by installing the level and slope to the required level without modification by the sensor installed in the hybrid spreader, it is excellent in quality and economy by reducing the flatness accuracy and laying time. It is a system that is directly delivered through 3 augers from an 8㎥ hopper, and the daily work requirement can be installed more than 1.5 times of existing equipment, and it can be installed up to 12m wide when connecting the screed. In addition, when laying aggregate, the edge linearity is accurate, there is no loss, and compaction of the roller to the edge is easy, so the quality and economy are high.

1 is an external perspective view of a hybrid spreader having a sprinkler function according to an embodiment of the present invention;

Figure 2 is a plan perspective view of a hybrid spreader according to an embodiment of the present invention, a view showing a rear portion omitted;

3 is a partial cutaway side perspective view of a hybrid spreader in accordance with one preferred embodiment of the present invention; And

4 is a view showing the configuration and operation of the aggregate compaction mechanism employed in the hybrid spreader according to an embodiment of the present invention.

Hereinafter, a hybrid spreader having a sprinkler function according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 to 3 illustrate the overall structure of the hybrid spreader 10 according to the preferred embodiment of the present invention.

1 to 3, the hybrid spreader 10 is an equipment in which a finisher for paving asphalt roads is retrofitted, and an engine room 20 in which an engine 22 and a pump 24 are built, the engine

room Water tanks

32 and 34 disposed in front and rear of the 20, the hopper system 40 disposed in front of the front water tank 32, the hopper system 40 and the front water tank 32 and the engine room ( 20, the primary auger system 50 extended below, the caterpillar 60 disposed on both sides of the primary auger system 50, and the secondary auger disposed laterally in the rear lower portion of the engine room 20. System 70, screed 80 and aggregate compaction mechanism 90 disposed below rear water tank 34.

In the conventional road paving construction, after the aggregate was laid, after the aggregate compaction operation using the vibrating roller, the spraying method was carried out using a separate sprinkler, but according to the present invention, the front water tank 32 on the front upper side of the engine room 20. ), And designed to spray water through a plurality of first injection nozzles 31 installed in the upper front of the front water tank (32). The first injection nozzle 31 is fluidly connected to communicate with the front water tank 32, and the water stored in the front water tank 32 by the action of the pump 24 mounted inside the engine room 20 It is sprayed onto the aggregate transported by the primary auger system 50.

Sensors 18 are disposed on the left and right sides of the engine room 20 near the installation position of the front water tank 32, respectively. The sensor 18 is a sensor for measuring the flatness of the road, a sonic sensor or a tilt sensor may be employed, or may be used in combination with an mmGPS sensor (not shown) that can be separately mounted to the hybrid spreader 10. The sensor 18 provides accurate detection by providing a detection signal that detects a state of a road surface during concrete or asphalt planarization using the screed 80 to be described below.

The hopper system 40 disposed in front of the front water tank 32 includes a pair of hoppers 42. Hopper system 40 is normally maintained in a closed state, but when driving the hybrid spreader 10 for road paving work by a separate hydraulic device (not shown) a pair of hoppers 42 to the left and right outwards The aggregate is received in such a way that it is built and opened.

Under the hopper system 40, the front water tank 32 and the engine room 20, the primary auger system 50 extends in the longitudinal direction. As shown in FIG. 2, the primary auger system 50 is disposed in the longitudinal direction of the hybrid spreader 10 in pairs with a plurality of front and rear augers 52 spaced apart from each other. The front end of the front and rear auger 52 is fixed to the first mounting frame 11 disposed in front of the hybrid spreader 10 and the rear end of the front and rear auger 52 is lowered from the bottom of the engine room 20. It is fixed to the extended second mounting frame 12. At this time, both ends of the rotating shaft 51 of the front and rear auger 52 is mounted to the mounting frames (11, 12) smoothly rotatable via a bearing (not shown). The primary auger system 50 is driven to rotate so as to transfer the charged aggregates to the rear side of the hybrid spreader 10 after the hoppers 42 are opened left and right.

On the left and right sides of the primary auger system 50, the track of the hybrid spreader 10, that is, the caterpillar 60, is disposed. The caterpillar 60 is typically mounted and mounted on road paving equipment, making it easy to move the hybrid spreader 10 when working on bumpy unpaved roads.

On the other hand, the aggregate which is charged by the hopper system 40 and then conveyed to the rear of the hybrid spreader 10 along the road surface to be paved through the primary auger system 50 is disposed in the transverse direction of the hybrid spreader 10. It is transferred from the lower part of the hybrid spreader 10 to the left and right by the secondary auger system 70 and spread. Preferably, the secondary auger system 70 includes a single left and right auger 72. Both ends of the horizontally shifting auger 72 are rotatably mounted by mounting flanges (not shown) and bearings (not shown) extending downward from the engine compartment 20. The left and right moving auger 72 is almost similar to the structure and shape of the primary auger system 50 only in the arrangement direction compared to the front and rear moving auger 52.

The rear water tank 34 disposed at the rear of the hybrid spreader 10 has a plurality of second injection nozzles 35 installed at the front upper portion of the rear water tank 34 similar to the structure of the front water tank 32 described above. It was designed to spray water through. The second injection nozzle 35 is fluidly connected to communicate with the rear water tank 34, and the water stored in the rear water tank 34 is controlled by the action of the pump 24 mounted inside the engine room 20. The secondary auger system 70 is sprayed onto the aggregate transported to the left and right unfolded.

The screed 80 disposed below the rear water tank 34 is for use in leveling work of inclined concrete or asphalt, and is disposed in the transverse direction of the hybrid spreader 10. The screed 80 can be laid up to 12 m wide at the time of connection. Therefore, aggregate laying is possible even at the edge of the road surface. As described above, the screed 80 is connected to a control device (not shown) of the engine room 20 based on the flatness information of the road surface detected by the sensors 18 installed on the outside left and right sides of the engine room 20. It is possible to maximize the flatness of the concrete or asphalt pavement while operating in accordance with the control signals provided by it.

As shown in FIG. 4, the aggregate compaction mechanism 90 installed below the screed 80 includes a damper 92 and a vibrator 94, and concrete or asphalt is formed by the screed 80. After being laid flat, the aggregate is compacted by the compaction of the damper 92 and the vibrator 94.

Hereinafter, the operation of the hybrid spreader 10 according to the preferred embodiment of the present invention as described above will be briefly described.

First, the hybrid spreader 10 is located at the site position of the road surface to be paved, and then the aggregate transported by the dump truck or the like is received by the hopper system 40 of the hybrid spreader 10. That is, when the hopper 42 of the hopper system 40 is wide open to the left and right, the aggregate transported by the dump truck or the like moves forward and backward of the primary auger system 50 exposed by the open hopper 42. Pour over).

The aggregate injected in this way is transferred to the rear side of the hybrid spreader 10 by the front and rear auger 52. At this time, the water of the front water tank 32 disposed in front of the engine room 20 is sprayed onto the aggregate through the first injection nozzle (31).

Aggregate conveyed to the rear of the hybrid spreader 10 by the front and rear moving auger 52 of the primary auger system 50 is moved left and right of the secondary auger system 70 disposed below the rear of the engine room 20. By 72, it is conveyed in the left and right directions of the hybrid spreader 10 and spread. At this time, the water of the rear water tank 34 disposed behind the hybrid spreader 10 is sprayed onto the aggregate through the second injection nozzle 35.

Next, the flattening operation of the aggregate is performed by the screed 80 disposed below the rear water tank 34, wherein the road surface flatness detected from the sensor 18 installed on the outside left and right of the engine room 20 is performed. The screed 80 operates according to a control signal provided by a control device (not shown) of the engine room 20 on the basis of the information, thereby maximizing the flatness of the concrete or asphalt pavement surface.

When the flattening by the screed 80 is finished, the aggregate is compactly compacted by the compaction of the damper 92 and the vibrator 94 mounted to the lower portion of the screed 80. After that, the second compaction is performed using a separate vibratory roller equipment.

As mentioned above, the hybrid spreader 10 according to the present invention includes two water tanks and a watering system, so that the aggregate is uniformly mixed with water to keep the water content constant. That is, the auxiliary base layer is stabilized due to the moisture mixing laying method. In addition, the work time is shortened by one laying and the first compacting of the screed femter. Daily laying amount is more than 900 ~ 1,000㎥. In addition, due to the action of screed, it is easy to lay up to the edge of the road surface and there is no loss. In addition, high flatness is maintained and accurate levels are ensured by working with the sensor. Edge alignment is maintained.

Hybrid spreader 10 according to the present invention can be applied to the installation of lean concrete for road paving.

Although the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art will be able to variously modify and change the present invention without departing from the spirit and scope of the invention described in the claims below. It will be appreciated.

10 hybrid spreader 18 sensor

20: engine room 22: engine

24: pump 31,33: injection nozzle

32: front water tank 34: rear water tank

40: hopper system 42: hopper

50: primary auger system 52: forward and backward auger

60: Caterpillar 70: Secondary auger system

72: left and right moving auger 80: screed

90: aggregate compaction mechanism 92: damper

94: vibrator

Claims

As a hybrid spreader 10 for road paving,

An engine room 20 in which the engine 22 and the pump 24 are embedded;

Front and rear water tanks 32 and 34 disposed in front and rear of the engine room 20, respectively;

A hopper system 40 disposed in front of the front water tank 32;

A primary auger system (50) extending below the hopper system (40), the front water tank (32) and the engine room (20);

Caterpillar 60 disposed on both sides of the primary auger system (50);

A secondary auger system 70 disposed laterally below the rear of the engine room 20; And

A screed (80) disposed below the rear water tank (34) and having an aggregate compaction mechanism (90);

Hybrid spreader comprising a.
According to claim 1, wherein a plurality of first injection nozzles 31 are installed in the front upper portion of the front water tank 32, the first injection nozzle 31 is in fluid communication with the front water tank (32) Connected and spraying the water stored in the front water tank 32 onto the aggregate transported by the primary auger system 50 by the action of the pump 24 mounted inside the engine room 20. Hybrid spreader characterized in that.
According to claim 1, wherein a plurality of second injection nozzles 35 are installed in the upper front of the rear water tank 34, the second injection nozzle 35 is in fluid communication with the rear water tank (34) Aggregate connected and conveyed to the left and right by the secondary auger system 70 to the water stored in the rear water tank 34 by the action of the pump 24 mounted inside the engine room 20 Hybrid spreader, characterized by spraying up.
2. The primary auger system (50) according to claim 1, wherein the primary auger system (50) comprises a forward and backward auger (52) spaced from each other and arranged in pairs in the longitudinal direction of the hybrid spreader (10). The front end of the front and rear of the hybrid spreader 10 is fixed to the first mounting frame 11, the rear end of the front and rear auger 52 extends downward from the lower portion of the engine room 20 2 is fixed to the mounting frame 12, the both ends of the rotating shaft 51 of the front and rear auger 52 is characterized in that it is smoothly rotatably mounted to the mounting frames (11, 12) via a bearing, respectively. Hybrid Spreader.
2. The secondary auger system (70) according to claim 1, wherein the secondary auger system (70) comprises a single left and right auger auger (72) arranged laterally of the hybrid spreader (10), and both ends of the left and right auger auger (72). Hybrid spreader, characterized in that the rotatably mounted by a mounting flange and a bearing extending from the engine room (20) to the bottom.