KR102335603B1 - Auger screw of equipment for paving bridge road - Google Patents

Abstract

The present invention relates to an auger screw of bridge road pavement equipment, which is used when paving a road in a bridge section with concrete made by mixing cement, aggregate (sand, gravel), water, and latex. According to the present invention, a new auger screw in a type of mixing a screw part for performing mixing while transferring concrete when mixing ultra-fast hardening concrete for pavement construction for bridge roads and the like and a mixing bar part mixing the concrete while loosening the concrete is applied, thereby mixing the concrete quickly and uniformly, providing excellent durability and easy maintenance, securing increased workability and construction quality, and having a reinforcement plate with a removable structure installed to the mixing bar part and the screw part to induce functionality improvement and extend life.

Description

Auger screw of equipment for paving bridge road

The present invention relates to an auger screw of a bridge road paving facility, and more particularly, a bridge road paving facility used when paving a road in a bridge section with concrete made by mixing cement, aggregate (sand, gravel), water, and latex. of the auger screw.

In general, as the industrial society develops, the use rate of vehicles increases, and accordingly, for smooth communication and safety of traffic, many bridges and roads are constructed and safety facilities are installed to prevent accidents.

In particular, as a bridge and road pavement method used in the construction of such roads, asphalt pavement with a road bed as a foundation and a surface layer of about 2 to 10 cm in thickness or cement concrete pavement consisting of a road bed and a concrete plate on it are mainly made.

On the other hand, a bridge is a generic term for an elevated structure erected so that it can pass over the upper part of a river, coast, road, etc. to form

Such a bridge pavement is a part that directly transmits the traffic load, and must have appropriate strength and crack resistance, as well as waterproof performance due to exposure to moisture such as rainwater. In order to prevent this corrosion, low chloride ion permeability is required.

In general, when constructing for pavement of bridges or roads, cement is mainly used to minimize traffic congestion and for rapid construction.

Recently, the ultra-velocity concrete mixing plant has been manufactured in the form of a trailer or vehicle mounted so that it can be moved. A vehicle-mounted type of bridge road paving facility is mainly used.

These bridge road paving facilities are equipped with individual tanks for storing cement, aggregate (sand, gravel), water, and latex, and an auger screw to be installed on roads such as bridges while quickly mixing the stored super-velocity concrete. have.

In this type of construction, super-velocity concrete must be mixed quickly due to its fast-setting property, and must be mixed uniformly and evenly without agglomeration. It should be considered that it should have durability and easy maintenance.

Registered Patent Publication No. 10-1541825 Registered Patent Publication No. 10-1753870 Registered Patent Publication No. 10-2221474 Registered Utility Model Publication No. 20-0279879

Therefore, the present invention has been devised in consideration of this point, and when mixing ultra-high-speed concrete for pavement construction such as bridges and roads, mixing bar parts for mixing while loosening concrete and screw parts for mixing while transporting concrete By applying a new auger screw in a mixed form, concrete can be mixed quickly and uniformly, excellent durability and easy maintenance, as well as improved workability and construction quality, can be secured while mixing bar parts and screw parts An object of the present invention is to provide an auger screw for a paving facility for a bridge road that is provided with a reinforcing plate of a detachable structure to improve functionality and extend lifespan.

In order to achieve the above object, the auger screw of the bridge road paving facility provided by the present invention has the following characteristics.

The auger screw of the bridge road paving facility is used for the vehicle-mounted bridge road paving facility when paving the road in the bridge section with super-velocity concrete made by mixing cement, aggregate, water, and latex, and these auger screws are concrete A mixing bar part including a plurality of mixing bars having a mixing bar reinforcing plate installed in a structure that protrudes on the outer circumferential surface of the shaft and is installed in a structure that is detachable by a bolt fastening structure as a means of mixing while loosening, and concrete As a means of mixing while conveying, it forms a spiral and is installed on the outer circumferential surface of the shaft and at the same time is installed in a structure detachable by a bolt fastening structure. It is characterized by being able to mix quickly and uniformly.

Here, each mixing bar of the mixing bar part can be arranged in a spiral trajectory along the longitudinal direction of the shaft, and each mixing bar is a mixing bar reinforcing plate installed in a structure detachable by a bolt fastening structure. may include

In addition, the mixing bar of the mixing bar part may be formed in a straight plate shape, a "T" shape plate shape, or the like.

As a preferred embodiment, the mixing bar part and the screw part may be arranged consecutively in the front end section and the rear end section of the shaft based on the concrete transport direction, or conversely, it may be disposed in succession in the rear end section and the front end section of the shaft.

As a preferred embodiment, the auger screw of the bridge road paving facility is installed between the screws of the screw parts and at the same time has a sub-mixing bar reinforcing plate installed in a detachable structure by a bolt fastening structure. It may further include a sub mixing bar.

As a preferred embodiment, the screw reinforcing plate may be formed of a combination type of a plurality of unit screw reinforcing plates separated into multiple pieces along the helical trajectory of the screw.

The auger screw of the bridge road paving facility provided by the present invention has the following effects.

First, the concrete is mixed quickly and uniformly by using a new type of auger screw that combines a mixing bar part that mixes concrete while loosening it and a screw part that mixes concrete while transporting it during pavement construction such as bridges and roads. It is possible to not only improve the workability and secure the construction quality, but also shorten the construction period and at the same time reduce the construction cost.

Second, by adding a removable reinforcing plate to the mixing bar part and/or screw part of the auger screw, wear can be reduced by reinforcing strength even in friction with aggregate, and it can be easily replaced with a new one at the end of its life. It has the effect of improving the durability and lifespan of the auger screw as well as increasing the efficiency of maintenance.

1 is a perspective view showing an auger screw of a bridge road paving facility according to an embodiment of the present invention;
Figure 2 is a perspective view showing the auger screw of the bridge road pavement equipment according to another embodiment of the present invention
3 is a side view of a vehicle showing a state of using an auger screw of a bridge road paving facility according to an embodiment of the present invention;

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 and 2 are perspective views illustrating an auger screw of a paving facility for a bridge road according to various embodiments of the present invention.

As shown in FIGS. 1 and 2, the auger screw of the bridge road paving facility is a super-velocity concrete made by mixing cement, aggregate, water, latex, etc. on a road, especially when constructing a road in a bridge section. As a device for transporting and discharging concrete while mixing it quickly, using such an auger screw, it is possible to quickly and uniformly mix the super-velocity concrete, and consequently, it is possible to shorten the construction period as well as secure excellent construction quality.

To this end, the auger screw 10 is a mixing bar part 13 having a plurality of mixing bars 12 and a screw part 15 having a spiral screw 14 are combined on one screw 11. is made in the form

The mixing bar part 13 serves to mix while loosening concrete, for example, concrete in which cement, water, latex, aggregate (sand + gravel), etc. are mixed.

The mixing bar part 13 includes a plurality of mixing bars 12 installed to protrude on the outer circumferential surface of the shaft 11 .

At this time, the mixing bar 12 can be installed on the outer peripheral surface of the shaft 11 in a structure that protrudes in parallel along the shaft radial direction by a predetermined length.

Here, the shaft 11 can be rotated by a power source (not shown) such as a motor mounted on the vehicle, and accordingly, the mixing bar 12 can also mix the concrete while rotating together with the shaft 11 . there will be

In addition, each mixing bar 12 of the mixing bar part 13 can be arranged to form a helical trajectory while maintaining a predetermined interval along the longitudinal direction of the shaft 11 .

Accordingly, each of the mixing bars 12 can break apart while striking the tangled or agglomerated concrete, and push the concrete in one direction by using the structural features arranged along the spiral trajectory.

In particular, the mixing bar 12 of the mixing bar part 13 may include a mixing bar reinforcing plate 16 installed in a detachable structure by a bolt fastening structure.

The mixing bar reinforcing plate 16 is a plate made of the same shape as the mixing bar 12, and the mixing bar reinforcing plate 16 refers to one side of the mixing bar 12, for example, the side that pushes concrete. The mixing bar reinforcement plate 16 is arranged in an overlapping state on the front surface of the mixing bar 12, and in this arranged state, the mixing bar reinforcement plate 16 and the mixing bar 12 are fastened together by bolts, the mixing bar reinforcement plate 16 is It is possible to be integrally coupled to the mixing bar (12).

In addition, when the mixing bar reinforcing plate 16 is broken or damaged, the bolts are loosened and the mixing bar reinforcing plate 16 can be removed from the mixing bar 12 , and accordingly, the mixing bar reinforcing plate 16 is Replacement work can be done easily.

At this time, the mixing bar 12 of the mixing bar part 13 may be formed in a straight plate shape, a "T" shape plate shape, etc., and correspondingly, the mixing bar reinforcement plate 16 is also a straight plate shape, "T" It may be formed in the shape of a female plate or the like.

The screw part 15 serves to mix the concrete while conveying it.

The screw part 15 includes a screw 14 installed on the outer circumferential surface of the shaft 11 while forming a spiral of a predetermined pitch.

At this time, the screw 14 also rotates together with the shaft 11 to mix the concrete and to transfer the concrete while pushing it in one direction.

In addition, the screw 14 of the screw part 15 may be formed in a form in which the screw blades are continuously connected, or in a form in which the middle of the screw blades are cut off, for example, in a form in which the screw blades are cut at every pitch.

Accordingly, when the shaft 11 rotates, the concrete is transported while being pushed in one direction, that is, toward the side where the outlet (not shown) is located by the screw 14, and the concrete can be mixed during this transport process. there will be

In particular, the screw 14 of the screw part 15 includes a screw reinforcement plate 22 that is installed in a detachable structure by a bolt fastening structure.

The screw reinforcing plate 22 is a plate having the same shape as the screw 14 , and the screw reinforcing plate 22 is one side of the screw 14 , for example, the screw 14 that pushes the concrete. ), and the screw 14 and the screw reinforcing plate 22 are fastened together by bolts in this arrangement state, so that the screw reinforcing plate 22 is integrally attached to the screw 14 can be combined.

Here, the screw reinforcing plate 22 is a plurality of unit screw reinforcing plates 22-1 that are separated into a plurality along the helical trajectory of the screw 14, for example, while taking an arc shape and the screw 14 ) can be formed in the form of a combination of a plurality of unit screw reinforcing plates 22-1 having a shape that is helically bent.

As the screw reinforcing plate 22 is configured to be separated into several pieces, it is very economical because it is possible to partially replace the severely worn one without replacing the whole during replacement according to wear.

Accordingly, when the screw reinforcement plate 22 is cracked, damaged or worn, the bolts are loosened and the screw reinforcement plate 22 can be removed from the screw 14, and eventually the replacement operation of the screw reinforcement plate 22 is performed. There are advantages to making it easy.

As a preferred embodiment, the mixing bar part 13 and the screw part 15 are arranged consecutively in the front end section and the rear end section of the shaft 11, or, conversely, in the rear end section and the front end section of the shaft 11. can

As an example, the screw part 15 may be disposed in the front end section of the shaft that is the side where concrete is supplied from the tank side, and the mixing bar part 13 may be disposed in the rear end of the shaft that is the side where concrete is discharged to the road side.

Accordingly, the concrete supplied to the front section of the shaft 11 is moved while being mixed by the screw 14 of the screw part 15 , and the mixing bar part 13 is continuously moved in the rear section of the shaft 11 . It is possible to be finally discharged after being mixed and transported as it is loosened by each mixing bar 12 .

As another example, the mixing bar part 13 may be disposed in the front-end section of the shaft, where concrete is supplied from the tank side, and the screw part 15 may be disposed in the rear-end section of the shaft, in which concrete is discharged to the road side.

Accordingly, the concrete supplied to the front section of the shaft 11 is mixed while being loosened by each mixing bar 12 of the mixing bar part 13 and transferred to the discharge side, and continues to the rear end of the shaft 11 . It can be finally discharged after being transported while being mixed by the screw 14 of the screw part 15 in the section.

Here, the screw part 15 and the mixing bar part 13 may be installed in a length section of about 1/2 of the entire length section of the shaft 11, or the screw part 15 is a 2/3 length section Yes, the mixing bar part 13 may be installed in a 1/3 length section.

In this way, since the mixing bar part 13 and the screw part 15 that exhibit different characteristics are sequentially mixed while the concrete is being transported, the super-velocity concrete can be mixed quickly and uniformly.

On the other hand, the auger screw of the bridge road paving facility includes a plurality of sub-mixing bars 24 as a means for finely dispersing and mixing while striking or stirring the tangled or agglomerated concrete mass.

The sub-mixing bar 24 has a straight bar shape, and is installed between the screws 14 of the screw parts 15 and protrudes in parallel along the shaft radial direction on the outer circumferential surface of the shaft 11 for a certain length. The sub-mixing bar 24 installed in this way serves to disperse and mix the concrete while stirring and striking the concrete mixed and transported by the screw 14 therebetween. .

In addition, the sub-mixing bar 24 includes a sub-mixing bar reinforcing plate 23 installed in a detachable structure by a bolt fastening structure.

The sub-mixing bar reinforcing plate 23 is a plate made of the same shape as the sub-mixing bar 24, and this sub-mixing bar reinforcing plate 23 pushes one side of the sub-mixing bar 24, for example, concrete. It is arranged in a state of overlapping on the front surface of the sub mixing bar 24, which means the inner side, and in this arranged state, the sub mixing bar reinforcement plate 23 and the sub mixing bar 24 are fastened together by bolts, so that the sub The mixing bar reinforcing plate 23 may be integrally coupled to the sub mixing bar 24 .

In addition, when the sub-mixing bar reinforcing plate 23 is broken, damaged or worn out, the bolts are loosened and the sub-mixing bar reinforcing plate 23 can be removed from the sub-mixing bar 24, and accordingly, the sub-mixing bar reinforcing plate 23 can be removed. It is possible to easily replace the reinforcing plate 23 .

3 is a side view of a vehicle showing a state of using an auger screw of a bridge road paving facility according to an embodiment of the present invention.

As shown in FIG. 3 , here it shows a state in which a bridge road paving facility equipped with an auger screw 10 is mounted on the vehicle 100 .

A cement tank 18, a water tank 19, a latex tank 20, and an aggregate tank 21 are installed on the loading box of the vehicle 100, and an auger screw 10 is accommodated at the rear end of the vehicle. A casing 17 is installed.

At this time, the entire screw casing 17 including the auger screw 10 is rotatable by an actuator (not shown) such as a cylinder, and thus, when used, the auger screw 10 and the screw casing 17 are horizontally It can be unfolded, and when not in use, the auger screw 10 and the screw casing 17 can be erected vertically.

A certain amount of concrete mixed with cement, water, latex, sand and gravel is discharged from the cement tank (18), water tank (19), latex tank (20), and aggregate tank (21) during pavement construction of bridges and roads, etc. The concrete discharged in this way is supplied to the inside of the screw casing 17 .

Subsequently, the concrete supplied to the inside of the screw casing 17 is mixed and dispersed by the screw 14 and the sub mixing bar 24 of the screw part 15 in the shear section of the shaft 11 and is transported, After the mixing bar 12 of the mixing bar part 13 of the rear end section of the shaft 11 disposed in succession is released and mixed with the mixing, it is finally discharged and installed on the road.

At this time, the concrete mixed and transported by the auger screw 10 is mixed while being hit or loosened by the mixing bar part 13 , the screw part 15 , and the sub mixing bar 24 , so before the concrete hardens A rapid mixing operation can be made, and it is possible to mix uniformly without agglomeration.

As described above, in the present invention, by providing a new auger screw that is formed of a mixture of screw parts and mixing bar parts during pavement construction such as bridges and roads, and can quickly and uniformly mix and transport concrete, concrete is mixed quickly and uniformly It is possible to improve the workability and secure the construction quality.

10: auger screw
11: shaft
12: mixing bar
13: mixing bar part
14: screw
15: screw part
16: mixing bar reinforcement plate
17: screw casing
18: cement tank
19 : water tank
20 : Latex Tank
21: aggregate (sand + gravel) tank
22: screw reinforcement plate
23: sub mixing bar reinforcement plate
24: sub mixing bar

Claims (6)

In the auger screw (10) of a vehicle-mounted type bridge road paving facility used when paving a road in a bridge section with super-velocity concrete made by mixing cement, aggregate, water, and latex,
The auger screw 10 is a mixing bar reinforcement plate 16 that is installed in a structure that protrudes on the outer circumferential surface of the shaft 11 and is detachable by a bolt fastening structure as a means for mixing concrete while loosening it. The branch has a mixing bar part 13 including a plurality of mixing bars 12 and a structure that is installed on the outer circumferential surface of the shaft 11 in a spiral as a means of mixing while conveying concrete, and is detachable by a bolt fastening structure. It consists of a form in which the screw parts 15 including the screw 14 having the screw reinforcement plate 22 installed as
The screw reinforcing plate 22 is an auger screw of a bridge road paving facility, characterized in that it is formed of a combination type of a plurality of unit screw reinforcing plates (22-1) separated into several pieces along the spiral trajectory of the screw (14).
The method according to claim 1,
Each mixing bar (12) of the mixing bar part (13) is an auger screw of a bridge road paving facility, characterized in that it is arranged in a spiral trajectory along the longitudinal direction of the shaft (11).
The method according to claim 1,
A plurality of sub-mixing bars ( 24) auger screw of the bridge road pavement equipment, characterized in that it further comprises.
delete The method according to claim 1,
The mixing bar 12 of the mixing bar part 13 is an auger screw of a bridge road paving facility, characterized in that it is formed in a straight plate shape or a "T" shape plate shape.
The method according to claim 1,
The mixing bar part 13 and the screw part 15 are arranged consecutively in the front end section and the rear end section of the shaft 11, or are arranged in succession between the rear end section and the front end section of the shaft 11. Bridge, characterized in that Auger screws in road pavers.

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