KR100378579B1 - Method and device for controlling vibration of heavy equipment using air curtain - Google Patents

Abstract

The present invention relates to a vibration control method and apparatus using an air curtain, and to obtain a vibration control method and apparatus for preventing vibration generated by the use of heavy equipment from being transmitted to a building or a structure.

In the vibration control method generated during drilling and rock crushing work using heavy equipment,

By forming a plurality of drilling tools on the ground at regular intervals in front of the structure or terrain to prevent vibration and injecting air into the drilling tools to form an air curtain to block or attenuate vibration,

As described through the above embodiments, the present invention uses the interference effect, the extinction phenomenon, and the blocking effect to control the magnitude of the vibration generated by heavy equipment work after forming the air curtain using a perforated air pipe and a compressor. It is very effective for T-4 drilling, breaker work and pile driving. In addition, by reducing the vibration generated during heavy equipment work at the site of redevelopment of the site, it does not harm the environmental impact around the site of heavy equipment use. Excellent effect.

Description

Vibration control method and apparatus for heavy equipment work using air curtain {Method and device for controlling vibration of heavy equipment using air curtain}

The present invention relates to a vibration control method and apparatus using air curtains, and more particularly, to a vibration control method and apparatus for preventing transmission of vibration generated by the use of heavy equipment to buildings or structures.

At present, the civil engineering construction contains a lot of factors that adversely affect the surrounding terrain caused by the vibration of the foundation work such as opening the road or sweeping the ground. The most lethal one among them is vibration, and a lot of research and investment are being activated to overcome them.

Conventionally, heavy work (T-4 drilling, breaker work, pile piercing work, etc.) is being carried out without measures to prevent vibration, and only a protective film is installed.

However, such a conventional protective film is installed to prevent the vibration transmitted by installing a protective cover or a pole pole, but it is insufficient to prevent the vibration by the installation of a protective cover and the problem of blocking the pole pole is also put a lot of construction costs and put the pole pole There was a problem that the vibration for.

Therefore, the present invention has been made in view of the above-mentioned conventional problems, the object of the present invention occurs during heavy equipment operation (T-4 drilling, breaker operation, pile driving operation) due to the ejection of air passing through the pipe or hose. To provide a way to block the vibration.

Another object of the present invention is a heavy equipment work using an air curtain to protect the structure or terrain from vibrations generated during heavy equipment work (T-4 drilling, breaker work, pile driving work) to protect the structure or terrain To provide a vibration control method and apparatus thereof.

1 is a state diagram using the apparatus by the vibration control method of heavy equipment operation using the air curtain of the preferred embodiment of the present invention,

FIG. 2 is a cross-sectional view showing a part of the apparatus by the vibration control method of heavy equipment work using the air curtain which is part "A" of FIG. 1;

Figure 3 is a state diagram showing a vibration control device of heavy equipment work using the air curtain of the present invention,

Figure 4 is a state diagram showing the apparatus by the vibration control method of heavy equipment operation using the air curtain of another embodiment of the present invention.

* Explanation of symbols for the main parts of the drawings *

10: long hole 20: hole

30: air pipe 40: on-off valve

50, 50-1: front / rear air supply pipe 60: multi branch pipe

70: pressure stopper 80: compressor

90: air 100: structure and terrain

The present invention for achieving the above object in the vibration control method generated during drilling and rock crushing work using heavy equipment, to form a plurality of drilling tools on the ground at regular intervals in front of the structure or terrain to prevent vibration and The amount of air blown out by injecting air into the drilling tool was achieved by forming an air curtain to block or attenuate vibration.

In addition, in order to control the vibration in the rock crushing or ground reinforcing pile drilling work using heavy equipment, an air hose or air pipe is inserted into the long hole in order to control vibration. When air curtain is formed by sending air into the cracks, the rock and other foreign material bands are formed to obtain the interference effect, extinction phenomenon, and blocking effect of the vibration, so it is not only to control the vibration but also to fracture, ground reinforcement, and driving of rock. By carrying out heavy equipment work, the construction period is shortened and construction cost is reduced, and the construction of heavy equipment such as rock crushing construction, site cleanup, underground trench, etc. is performed by T-4 drilling in the downtown area, pile driving of site cleanup, and breaker work of rock crushing. It is a vibration control method of heavy equipment work that can be used without damage of vibration, breaker work, file driving work, etc.

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

1 to 4, the vibration control method of heavy equipment work using the air curtain of the present invention shown in Figure 1 in the anti-vibration method generated during drilling and rock crushing work using heavy equipment, the effect of vibration from the source of the vibration is expected Installed between the structures or terrain to be, the most optimal place is installed just in front of the structure or terrain, and drilling a plurality of long holes 10 in multiple rows at the location; Inserting an air pipe (30) into the entire length of the drilled long hole to inject air into the drilling tool, and installing a pressure maintaining stopper 90 for the long hole to form a predetermined pressure in the long hole; Comprising the step of installing and connecting a high-pressure compressor (80) to supply air to the hose or pipe inserted into the long hole to supply air of high pressure to the air pipe 30 inserted into each ball to form an air curtain There is a feature made to attenuate the vibration transmitted to.

First of all, as a way to block the vibration generated during heavy equipment work (T-4 drilling, breaker work, pile driving work), T-4 drilling work of rock, breaker work of rock fracture, pile driving work of ground reinforcement After drilling 1 ~ 2 rows and multiple rows to the outermost part (especially those which are expected to damage buildings, livestock, equipment, human body, etc.), insert an air hose or air pipe An air curtain was formed by the air pressure discharged from the compressor, and the air curtain was formed to have an interference phenomenon, an extinction phenomenon, and a blocking effect.

In addition, the drilling and rock crushing work using the heavy equipment is carried out as usual, and the heavy equipment work and finally to form an air curtain in the long hole of the outer perforated hole only where the damage is expected It was installed at the same time to reduce heavy machinery vibration.

Vibration control method of heavy equipment work using the air curtain of the present invention is T-4 drilling work, breaker work, pile driving work is the same method as general heavy equipment work and the method of forming an air curtain Is inserted into the entire length of the perforated long hole by varying the diameter of the air pipe Φ45∼105mm according to the site condition and the purpose, and this hole is installed with the air curtain used by installing a pressure retaining plug 90 for the cover.長 孔 (10) and air were inserted into the crack.

In addition, when the size of the work is large and the vibration generated is large, the air is supplied from the compressor 80 to the multi-pipe (air control valve) 60 so as to supply high-pressure air into the long holes installed in a row, and each long hole (10) The supply is distributed to the front and rear air pipes (50, 50-1) connected to the multi-column tube 60, while acting at the same time as heavy equipment operation while sending air (High) at high pressure to attenuate the transmission of vibration.

On the other hand, the hole size and diameter of the air hose or air pipe 30 is drilled larger so that the air sent to the compressor 80 can be evenly distributed in the drilled long hole, and closed at the end of the long hole and the ball. The structure allows the air to be utilized as much as possible to form the air curtain while reducing air loss.

In addition, the air pressure discharged from the compressor is a whistle phenomenon when it is ejected from a punched hose or a pipe, so that no noise is generated by the whistle phenomenon and an unbalanced air is not discharged in each ball. It is important to make. In addition, air hoses, which are damaged when used for heavy equipment work in close proximity, are made compatible with ordinary hoses.

Next, by the vibration control method of heavy equipment work using the air curtain of the preferred embodiment of the present invention, the device is a vibration preventing device generated during drilling and rock crushing work using heavy equipment, multi-row in front of the structure or terrain to be protected from vibration Front / rear pipe parts 50 and 50-1 connecting the air pipes 30 inserted in the plurality of perforated long holes 10 in series and the front / rear pipe parts in parallel to the compressor 80 It is configured to include a power unit consisting of a dodge pipe 60 for distributing the high pressure air generated in the) to each of the front and rear pipes (50, 50-1), and the compressor (80) for supplying the high pressure air.

The hole is drilled to a depth and a larger diameter into which the air pipe can be inserted. In addition, the above-mentioned long holes do not align each column, and the long holes alternated between the long holes and the long holes to prevent the wavelength of vibration from escaping.

The front and rear pipes 50 and 50-1 are connected to the air pipes 30 inserted in the respective drilling tools in series with the air supplied from the multi-pipe 60 to the upper ends of the air pipes 30. It is configured to mount the on-off valve 40.

The dodge pipe (air control valve) 60 is a pipe for distributing high-pressure air, and when two or more pipes are used, an opening / closing valve is attached to be cut off before being supplied to the front / rear pipes 50 and 50-. Or, it is possible to install the on-off valve 40 between the dodge pipe and the compressor.

The pressure holding stopper 90 is configured to maintain the pressure of the air generated at a high pressure and is screwed to be coupled to the air pipe 30 is coupled to be adjustable according to the depth of the long hole. In addition, the pressure holding stopper 90 has a vent port 90-1 is formed so that a predetermined amount of air formed in the long hole 10 is released.

For example, the present invention is not limited to the above-described embodiment, and various modifications can be made by those skilled in the art without departing from the gist of the present invention claimed in the utility model registration claims. Of course, such changes are within the scope of the present invention.

As described through the above embodiments, the present invention uses the interference effect, the extinction phenomenon, and the blocking effect to control the magnitude of the vibration generated by heavy equipment work after forming the air curtain using a perforated air pipe and a compressor. It is very effective for T-4 drilling, breaker work and pile driving. In addition, it reduces vibrations when working on heavy equipment at the site of redevelopment of the site, and does not harm the environmental impact around the site of heavy equipment use. Therefore, it is a very useful invention in the construction industry.

Claims (4)

In the anti-vibration method generated during drilling and rock crushing work using heavy equipment, Forming a plurality of drilling tools on the ground at regular intervals in front of the structure or terrain to prevent vibration and the amount of air ejected by injecting air into the drilling tools to form an air curtain to block or attenuate vibration Vibration control method of heavy equipment work using air curtain. The method of claim 1, wherein the air curtain installation method is installed between structures or terrain where vibration effects are expected from a source where vibration is generated, and the most optimal is installed directly in front of the structure or terrain, Drilling a hole; Inserting an air pipe having a different diameter to inject air into the boring tool into the entire length of the boring hole, and forming a constant pressure in the boring by installing a pressure holding stopper for the cover; It consists of a step of installing and connecting a high-pressure compressor to supply air to the hose or pipe inserted into the long hole to supply high-pressure air to the air pipe inserted into each ball to form an air curtain to attenuate the vibration transmitted to the ground layer Vibration control method of heavy equipment work using an air curtain. In the vibration preventing device generated during drilling and rock crushing work using heavy equipment, An air pipe inserted into a plurality of perforated holes in multiple rows in front of a structure or terrain to be protected from vibration, an air valve having an on / off valve at the top and an air outlet at the bottom, and a front / rear pipe part connected in series The air curtain comprising a power unit consisting of a compressor for supplying the high pressure air, and a multi pipe which distributes the high pressure air generated by the compressor to the front and rear pipes by connecting the front pipe parts in parallel. Vibration control device for heavy equipment work. [4] The air curtain according to claim 3, wherein the air pipe has a diameter of φ45 mm to Φ 105 mm, and a plurality of air ejection openings are formed at the end side of the air pipe inserted into the long hole, and an on / off valve is formed at the upper end. Vibration control device for heavy equipment work.